web/application.py
author Nicolas Chauvat <nicolas.chauvat@logilab.fr>
Thu, 14 Feb 2013 15:39:23 +0100
changeset 8694 d901c36bcfce
parent 8609 112a04c0473d
child 8695 358d8bed9626
permissions -rw-r--r--
[toward-py3k] remove import with_statement (part of #2711624) They are unneeded since we dropped python 2.5 compatibility. This will help Python 3.3 experimentation.
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# copyright 2003-2012 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
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# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
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#
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# This file is part of CubicWeb.
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#
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# CubicWeb is free software: you can redistribute it and/or modify it under the
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# terms of the GNU Lesser General Public License as published by the Free
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# Software Foundation, either version 2.1 of the License, or (at your option)
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# any later version.
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#
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# CubicWeb is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Lesser General Public License along
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# with CubicWeb.  If not, see <http://www.gnu.org/licenses/>.
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"""CubicWeb web client application object"""
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__docformat__ = "restructuredtext en"
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import sys
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from time import clock, time
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from contextlib import contextmanager
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from warnings import warn
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import httplib
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from logilab.common.deprecation import deprecated
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from rql import BadRQLQuery
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from cubicweb import set_log_methods, cwvreg
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from cubicweb import (
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    ValidationError, Unauthorized, Forbidden,
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    AuthenticationError, NoSelectableObject,
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    BadConnectionId, CW_EVENT_MANAGER)
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from cubicweb.dbapi import DBAPISession, anonymous_session
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from cubicweb.web import LOGGER, component
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from cubicweb.web import (
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    StatusResponse, DirectResponse, Redirect, NotFound, LogOut,
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    RemoteCallFailed, InvalidSession, RequestError)
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from cubicweb.web.request import CubicWebRequestBase
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# make session manager available through a global variable so the debug view can
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# print information about web session
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SESSION_MANAGER = None
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@contextmanager
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def anonymized_request(req):
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    orig_session = req.session
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    req.set_session(anonymous_session(req.vreg))
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    try:
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        yield req
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    finally:
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        req.set_session(orig_session)
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class AbstractSessionManager(component.Component):
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    """manage session data associated to a session identifier"""
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    __regid__ = 'sessionmanager'
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    def __init__(self, vreg):
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        self.session_time = vreg.config['http-session-time'] or None
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        self.authmanager = vreg['components'].select('authmanager', vreg=vreg)
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        interval = (self.session_time or 0) / 2.
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        if vreg.config.anonymous_user() is not None:
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            self.cleanup_anon_session_time = vreg.config['cleanup-anonymous-session-time'] or 5 * 60
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            assert self.cleanup_anon_session_time > 0
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            if self.session_time is not None:
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                self.cleanup_anon_session_time = min(self.session_time,
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                                                     self.cleanup_anon_session_time)
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            interval = self.cleanup_anon_session_time / 2.
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        # we don't want to check session more than once every 5 minutes
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        self.clean_sessions_interval = max(5 * 60, interval)
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    def clean_sessions(self):
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        """cleanup sessions which has not been unused since a given amount of
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        time. Return the number of sessions which have been closed.
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        """
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        self.debug('cleaning http sessions')
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        session_time = self.session_time
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        closed, total = 0, 0
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        for session in self.current_sessions():
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            total += 1
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            try:
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                last_usage_time = session.cnx.check()
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            except AttributeError:
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                last_usage_time = session.mtime
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            except BadConnectionId:
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                self.close_session(session)
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                closed += 1
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            else:
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                no_use_time = (time() - last_usage_time)
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                if session.anonymous_session:
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                    if no_use_time >= self.cleanup_anon_session_time:
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                        self.close_session(session)
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                        closed += 1
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                elif session_time is not None and no_use_time >= session_time:
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                    self.close_session(session)
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                    closed += 1
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        return closed, total - closed
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    def current_sessions(self):
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        """return currently open sessions"""
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        raise NotImplementedError()
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    def get_session(self, req, sessionid):
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        """return existing session for the given session identifier"""
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        raise NotImplementedError()
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    def open_session(self, req):
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        """open and return a new session for the given request. The session is
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        also bound to the request.
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        raise :exc:`cubicweb.AuthenticationError` if authentication failed
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        (no authentication info found or wrong user/password)
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        """
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        raise NotImplementedError()
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0
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    def close_session(self, session):
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        """close session on logout or on invalid session detected (expired out,
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        corrupted...)
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        """
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        raise NotImplementedError()
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class AbstractAuthenticationManager(component.Component):
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    """authenticate user associated to a request and check session validity"""
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    __regid__ = 'authmanager'
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    def __init__(self, vreg):
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        self.vreg = vreg
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    def validate_session(self, req, session):
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        """check session validity, reconnecting it to the repository if the
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        associated connection expired in the repository side (hence the
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        necessity for this method).
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        raise :exc:`InvalidSession` if session is corrupted for a reason or
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        another and should be closed
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        """
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        raise NotImplementedError()
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    def authenticate(self, req):
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        """authenticate user using connection information found in the request,
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        and return corresponding a :class:`~cubicweb.dbapi.Connection` instance,
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        as well as login and authentication information dictionary used to open
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        the connection.
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        raise :exc:`cubicweb.AuthenticationError` if authentication failed
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        (no authentication info found or wrong user/password)
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        """
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        raise NotImplementedError()
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class CookieSessionHandler(object):
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    """a session handler using a cookie to store the session identifier"""
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    def __init__(self, appli):
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        self.vreg = appli.vreg
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        self.session_manager = self.vreg['components'].select('sessionmanager',
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                                                              vreg=self.vreg)
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        global SESSION_MANAGER
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        SESSION_MANAGER = self.session_manager
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        if self.vreg.config.mode != 'test':
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            # don't try to reset session manager during test, this leads to
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            # weird failures when running multiple tests
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            CW_EVENT_MANAGER.bind('after-registry-reload',
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                                  self.reset_session_manager)
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    def reset_session_manager(self):
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        data = self.session_manager.dump_data()
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        self.session_manager = self.vreg['components'].select('sessionmanager',
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                                                              vreg=self.vreg)
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        self.session_manager.restore_data(data)
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        global SESSION_MANAGER
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        SESSION_MANAGER = self.session_manager
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    @property
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    def clean_sessions_interval(self):
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        return self.session_manager.clean_sessions_interval
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    def clean_sessions(self):
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        """cleanup sessions which has not been unused since a given amount of
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        time
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        """
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        self.session_manager.clean_sessions()
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    def session_cookie(self, req):
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        """return a string giving the name of the cookie used to store the
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        session identifier.
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        """
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        if req.https:
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            return '__%s_https_session' % self.vreg.config.appid
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        return '__%s_session' % self.vreg.config.appid
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0
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    def set_session(self, req):
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        """associate a session to the request
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        Session id is searched from :
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        - # form variable
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        - cookie
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        if no session id is found, open a new session for the connected user
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        or request authentification as needed
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        :raise Redirect: if authentication has occurred and succeed
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        """
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        cookie = req.get_cookie()
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        sessioncookie = self.session_cookie(req)
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        try:
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            sessionid = str(cookie[sessioncookie].value)
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        except KeyError: # no session cookie
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            session = self.open_session(req)
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        else:
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            try:
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                session = self.get_session(req, sessionid)
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            except InvalidSession:
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                # try to open a new session, so we get an anonymous session if
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                # allowed
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                session = self.open_session(req)
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            else:
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                if not session.cnx:
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                    # session exists but is not bound to a connection. We should
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                    # try to authenticate
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                    loginsucceed = False
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                    try:
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                        if self.open_session(req, allow_no_cnx=False):
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                            loginsucceed = True
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                    except Redirect:
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                        # may be raised in open_session (by postlogin mechanism)
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                        # on successful connection
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                        loginsucceed = True
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                        raise
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                    except AuthenticationError:
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                        # authentication failed, continue to use this session
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                        req.set_session(session)
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                    finally:
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                        if loginsucceed:
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                            # session should be replaced by new session created
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                            # in open_session
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                            self.session_manager.close_session(session)
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    def get_session(self, req, sessionid):
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        session = self.session_manager.get_session(req, sessionid)
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        session.mtime = time()
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        return session
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    def open_session(self, req, allow_no_cnx=True):
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        session = self.session_manager.open_session(req, allow_no_cnx=allow_no_cnx)
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        sessioncookie = self.session_cookie(req)
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        secure = req.https and req.base_url().startswith('https://')
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        req.set_cookie(sessioncookie, session.sessionid,
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                       maxage=None, secure=secure)
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        if not session.anonymous_session:
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            self.session_manager.postlogin(req)
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        return session
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diff changeset
   261
    def logout(self, req, goto_url):
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        """logout from the instance by cleaning the session and raising
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        `AuthenticationError`
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        """
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   265
        self.session_manager.close_session(req.session)
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        req.remove_cookie(self.session_cookie(req))
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   267
        raise LogOut(url=goto_url)
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   268
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   269
    # these are overridden by set_log_methods below
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    # only defining here to prevent pylint from complaining
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    info = warning = error = critical = exception = debug = lambda msg,*a,**kw: None
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   272
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class CubicWebPublisher(object):
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    """the publisher is a singleton hold by the web frontend, and is responsible
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    to publish HTTP request.
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    """
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   277
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    def __init__(self, config,
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                 session_handler_fact=CookieSessionHandler,
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                 vreg=None):
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        self.info('starting web instance from %s', config.apphome)
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        if vreg is None:
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   283
            vreg = cwvreg.CWRegistryStore(config)
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        self.vreg = vreg
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   285
        # connect to the repository and get instance's schema
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        self.repo = config.repository(vreg)
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   287
        if not vreg.initialized:
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86e874fe30ea [web] cleanup use of config in web application initialisation
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parents: 5587
diff changeset
   288
            config.init_cubes(self.repo.get_cubes())
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            vreg.init_properties(self.repo.properties())
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            vreg.set_schema(self.repo.get_schema())
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        # set the correct publish method
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        if config['query-log-file']:
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   293
            from threading import Lock
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            self._query_log = open(config['query-log-file'], 'a')
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            self.handle_request = self.log_handle_request
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            self._logfile_lock = Lock()
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        else:
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            self._query_log = None
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            self.handle_request = self.main_handle_request
0
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        # instantiate session and url resolving helpers
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        self.session_handler = session_handler_fact(self)
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   302
        self.set_urlresolver()
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diff changeset
   303
        CW_EVENT_MANAGER.bind('after-registry-reload', self.set_urlresolver)
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   305
    def set_urlresolver(self):
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diff changeset
   306
        self.url_resolver = self.vreg['components'].select('urlpublisher',
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   307
                                                           vreg=self.vreg)
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   308
0
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    def connect(self, req):
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        """return a connection for a logged user object according to existing
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        sessions (i.e. a new connection may be created or an already existing
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        one may be reused
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        """
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   314
        self.session_handler.set_session(req)
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    # publish methods #########################################################
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   318
    def log_handle_request(self, req, path):
0
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   319
        """wrapper around _publish to log all queries executed for a given
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   320
        accessed path
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   321
        """
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   322
        try:
8312
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   323
            return self.main_handle_request(req, path)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   324
        finally:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   325
            cnx = req.cnx
5244
5467674ad101 [web] put a fake object that raise Unauthorized on any attribute access as req.cnx and req._user, so we are properly asked to authenticated on any view that tries to do something with one of those attributes (instead of doing defensive programming everywhere we're doing that)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5223
diff changeset
   326
            if cnx:
5223
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   327
                with self._logfile_lock:
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   328
                    try:
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   329
                        result = ['\n'+'*'*80]
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   330
                        result.append(req.url())
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   331
                        result += ['%s %s -- (%.3f sec, %.3f CPU sec)' % q
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   332
                                   for q in cnx.executed_queries]
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   333
                        cnx.executed_queries = []
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   334
                        self._query_log.write('\n'.join(result).encode(req.encoding))
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   335
                        self._query_log.flush()
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   336
                    except Exception:
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   337
                        self.exception('error while logging queries')
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   338
8312
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   339
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   340
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   341
    def main_handle_request(self, req, path):
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   342
        if not isinstance(req, CubicWebRequestBase):
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   343
            warn('[3.15] Application entry poin arguments are now (req, path) '
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   344
                 'not (path, req)', DeprecationWarning, 2)
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   345
            req, path = path, req
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   346
        if req.authmode == 'http':
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   347
            # activate realm-based auth
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   348
            realm = self.vreg.config['realm']
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   349
            req.set_header('WWW-Authenticate', [('Basic', {'realm' : realm })], raw=False)
8443
86fc11fb6f99 [web/application] declare default 'content' value sooner (closes #2406560)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8390
diff changeset
   350
        content = ''
8312
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   351
        try:
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   352
            self.connect(req)
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   353
            # DENY https acces for anonymous_user
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   354
            if (req.https
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   355
                and req.session.anonymous_session
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   356
                and self.vreg.config['https-deny-anonymous']):
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   357
                # don't allow anonymous on https connection
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   358
                raise AuthenticationError()
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   359
            # nested try to allow LogOut to delegate logic to AuthenticationError
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   360
            # handler
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   361
            try:
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   362
                ### Try to generate the actual request content
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   363
                content = self.core_handle(req, path)
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   364
            # Handle user log-out
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   365
            except LogOut, ex:
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   366
                # When authentification is handled by cookie the code that
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   367
                # raised LogOut must has invalidated the cookie. We can just
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   368
                # reload the original url without authentification
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   369
                if self.vreg.config['auth-mode'] == 'cookie' and ex.url:
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   370
                    req.headers_out.setHeader('location', str(ex.url))
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   371
                if ex.status is not None:
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   372
                    req.status_out = httplib.SEE_OTHER
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   373
                # When the authentification is handled by http we must
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   374
                # explicitly ask for authentification to flush current http
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   375
                # authentification information
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   376
                else:
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   377
                    # Render "logged out" content.
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   378
                    # assignement to ``content`` prevent standard
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   379
                    # AuthenticationError code to overwrite it.
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   380
                    content = self.loggedout_content(req)
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   381
                    # let the explicitly reset http credential
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   382
                    raise AuthenticationError()
8470
a85e107947e6 [web app] handle Redirect raised during session establishment, as this may be used by eg openid authentication. Closes #2430018
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8466
diff changeset
   383
        except Redirect, ex:
a85e107947e6 [web app] handle Redirect raised during session establishment, as this may be used by eg openid authentication. Closes #2430018
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8466
diff changeset
   384
            # authentication needs redirection (eg openid)
a85e107947e6 [web app] handle Redirect raised during session establishment, as this may be used by eg openid authentication. Closes #2430018
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8466
diff changeset
   385
            content = self.redirect_handler(req, ex)
8312
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   386
        # Wrong, absent or Reseted credential
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   387
        except AuthenticationError:
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   388
            # If there is an https url configured and
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   389
            # the request do not used https, redirect to login form
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   390
            https_url = self.vreg.config['https-url']
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   391
            if https_url and req.base_url() != https_url:
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   392
                req.status_out = httplib.SEE_OTHER
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   393
                req.headers_out.setHeader('location', https_url + 'login')
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   394
            else:
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   395
                # We assume here that in http auth mode the user *May* provide
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   396
                # Authentification Credential if asked kindly.
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   397
                if self.vreg.config['auth-mode'] == 'http':
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   398
                    req.status_out = httplib.UNAUTHORIZED
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   399
                # In the other case (coky auth) we assume that there is no way
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   400
                # for the user to provide them...
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   401
                # XXX But WHY ?
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   402
                else:
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   403
                    req.status_out = httplib.FORBIDDEN
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   404
                # If previous error handling already generated a custom content
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   405
                # do not overwrite it. This is used by LogOut Except
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   406
                # XXX ensure we don't actually serve content
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   407
                if not content:
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   408
                    content = self.need_login_content(req)
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   409
        return content
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   410
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   411
    def core_handle(self, req, path):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   412
        """method called by the main publisher to process <path>
1426
379261551578 remove trailing spaces
sylvain.thenault@logilab.fr
parents: 1132
diff changeset
   413
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   414
        should return a string containing the resulting page or raise a
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   415
        `NotFound` exception
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   416
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   417
        :type path: str
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   418
        :param path: the path part of the url to publish
1426
379261551578 remove trailing spaces
sylvain.thenault@logilab.fr
parents: 1132
diff changeset
   419
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   420
        :type req: `web.Request`
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   421
        :param req: the request object
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   422
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   423
        :rtype: str
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   424
        :return: the result of the pusblished url
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   425
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   426
        # don't log form values they may contains sensitive information
8390
637b934bc742 [app] turn these info into debug logs (this being too chatty for .info)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8312
diff changeset
   427
        self.debug('publish "%s" (%s, form params: %s)',
637b934bc742 [app] turn these info into debug logs (this being too chatty for .info)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8312
diff changeset
   428
                   path, req.session.sessionid, req.form.keys())
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   429
        # remove user callbacks on a new request (except for json controllers
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   430
        # to avoid callbacks being unregistered before they could be called)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   431
        tstart = clock()
5865
af414723598d [publisher] avoid useless rollback after successful commit, which clutters debug logs and may also not be cost-free
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5721
diff changeset
   432
        commited = False
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   433
        try:
8312
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   434
            ### standard processing of the request
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   435
            try:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   436
                ctrlid, rset = self.url_resolver.process(req, path)
2058
7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   437
                try:
2650
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2613
diff changeset
   438
                    controller = self.vreg['controllers'].select(ctrlid, req,
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2613
diff changeset
   439
                                                                 appli=self)
2058
7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   440
                except NoSelectableObject:
7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   441
                    raise Unauthorized(req._('not authorized'))
581
09f87f2c535e update_search_state in the publisher since it should be done whatever the controller
sylvain.thenault@logilab.fr
parents: 168
diff changeset
   442
                req.update_search_state()
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   443
                result = controller.publish(rset=rset)
8312
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   444
            except StatusResponse, ex:
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   445
                warn('StatusResponse is deprecated use req.status_out',
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   446
                     DeprecationWarning)
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   447
                result = ex.content
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   448
                req.status_out = ex.status
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   449
            except Redirect, ex:
8470
a85e107947e6 [web app] handle Redirect raised during session establishment, as this may be used by eg openid authentication. Closes #2430018
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8466
diff changeset
   450
                # Redirect may be raised by edit controller when everything went
a85e107947e6 [web app] handle Redirect raised during session establishment, as this may be used by eg openid authentication. Closes #2430018
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8466
diff changeset
   451
                # fine, so attempt to commit
a85e107947e6 [web app] handle Redirect raised during session establishment, as this may be used by eg openid authentication. Closes #2430018
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8466
diff changeset
   452
                result = self.redirect_handler(req, ex)
8312
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   453
            if req.cnx:
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   454
                txuuid = req.cnx.commit()
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   455
                commited = True
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   456
                if txuuid is not None:
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   457
                    req.data['last_undoable_transaction'] = txuuid
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   458
        ### error case
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   459
        except NotFound, ex:
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   460
            result = self.notfound_content(req)
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   461
            req.status_out = ex.status
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   462
        except ValidationError, ex:
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   463
            result = self.validation_error_handler(req, ex)
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   464
        except RemoteCallFailed, ex:
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   465
            result = self.ajax_error_handler(req, ex)
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   466
        except Unauthorized, ex:
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   467
            req.data['errmsg'] = req._('You\'re not authorized to access this page. '
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   468
                                       'If you think you should, please contact the site administrator.')
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   469
            req.status_out = httplib.UNAUTHORIZED
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   470
            result = self.error_handler(req, ex, tb=False)
8602
d066ba3bb07d [web] add a Forbidden exception
David Douard <david.douard@logilab.fr>
parents: 8470
diff changeset
   471
        except Forbidden, ex:
d066ba3bb07d [web] add a Forbidden exception
David Douard <david.douard@logilab.fr>
parents: 8470
diff changeset
   472
            req.data['errmsg'] = req._('This action is forbidden. '
d066ba3bb07d [web] add a Forbidden exception
David Douard <david.douard@logilab.fr>
parents: 8470
diff changeset
   473
                                       'If you think it should be allowed, please contact the site administrator.')
d066ba3bb07d [web] add a Forbidden exception
David Douard <david.douard@logilab.fr>
parents: 8470
diff changeset
   474
            req.status_out = httplib.FORBIDDEN
d066ba3bb07d [web] add a Forbidden exception
David Douard <david.douard@logilab.fr>
parents: 8470
diff changeset
   475
            result = self.error_handler(req, ex, tb=False)
8312
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   476
        except (BadRQLQuery, RequestError), ex:
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   477
            result = self.error_handler(req, ex, tb=False)
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   478
        ### pass through exception
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   479
        except DirectResponse:
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   480
            if req.cnx:
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   481
                req.cnx.commit()
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   482
            raise
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   483
        except (AuthenticationError, LogOut):
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   484
            # the rollback is handled in the finally
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   485
            raise
8560
fef0b8214fcf [web app] move set of status_out into validation_error_handler to ease readability
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8556
diff changeset
   486
        ### Last defense line
8312
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   487
        except BaseException, ex:
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   488
            result = self.error_handler(req, ex, tb=True)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   489
        finally:
5865
af414723598d [publisher] avoid useless rollback after successful commit, which clutters debug logs and may also not be cost-free
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5721
diff changeset
   490
            if req.cnx and not commited:
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   491
                try:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   492
                    req.cnx.rollback()
7815
2a164a9cf81c [exceptions] stop catching any exception in various places (closes #1942716)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7589
diff changeset
   493
                except Exception:
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   494
                    pass # ignore rollback error at this point
8312
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   495
            # request may be referenced by "onetime callback", so clear its entity
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   496
            # cache to avoid memory usage
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   497
            req.drop_entity_cache()
8267
486386d9f836 [web] Exposes the undo feature to user through a undo-history view (closes #893940)
Anthony Truchet <anthony.truchet@logilab.fr>
parents: 8190
diff changeset
   498
        self.add_undo_link_to_msg(req)
8390
637b934bc742 [app] turn these info into debug logs (this being too chatty for .info)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8312
diff changeset
   499
        self.debug('query %s executed in %s sec', req.relative_path(), clock() - tstart)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   500
        return result
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   501
8470
a85e107947e6 [web app] handle Redirect raised during session establishment, as this may be used by eg openid authentication. Closes #2430018
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8466
diff changeset
   502
    # Error handlers
a85e107947e6 [web app] handle Redirect raised during session establishment, as this may be used by eg openid authentication. Closes #2430018
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8466
diff changeset
   503
a85e107947e6 [web app] handle Redirect raised during session establishment, as this may be used by eg openid authentication. Closes #2430018
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8466
diff changeset
   504
    def redirect_handler(self, req, ex):
a85e107947e6 [web app] handle Redirect raised during session establishment, as this may be used by eg openid authentication. Closes #2430018
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8466
diff changeset
   505
        """handle redirect
a85e107947e6 [web app] handle Redirect raised during session establishment, as this may be used by eg openid authentication. Closes #2430018
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8466
diff changeset
   506
        - comply to ex status
a85e107947e6 [web app] handle Redirect raised during session establishment, as this may be used by eg openid authentication. Closes #2430018
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8466
diff changeset
   507
        - set header field
a85e107947e6 [web app] handle Redirect raised during session establishment, as this may be used by eg openid authentication. Closes #2430018
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8466
diff changeset
   508
        - return empty content
a85e107947e6 [web app] handle Redirect raised during session establishment, as this may be used by eg openid authentication. Closes #2430018
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8466
diff changeset
   509
        """
a85e107947e6 [web app] handle Redirect raised during session establishment, as this may be used by eg openid authentication. Closes #2430018
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8466
diff changeset
   510
        self.debug('redirecting to %s', str(ex.location))
a85e107947e6 [web app] handle Redirect raised during session establishment, as this may be used by eg openid authentication. Closes #2430018
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8466
diff changeset
   511
        req.headers_out.setHeader('location', str(ex.location))
a85e107947e6 [web app] handle Redirect raised during session establishment, as this may be used by eg openid authentication. Closes #2430018
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8466
diff changeset
   512
        assert 300 <= ex.status < 400
a85e107947e6 [web app] handle Redirect raised during session establishment, as this may be used by eg openid authentication. Closes #2430018
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8466
diff changeset
   513
        req.status_out = ex.status
a85e107947e6 [web app] handle Redirect raised during session establishment, as this may be used by eg openid authentication. Closes #2430018
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8466
diff changeset
   514
        return ''
a85e107947e6 [web app] handle Redirect raised during session establishment, as this may be used by eg openid authentication. Closes #2430018
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8466
diff changeset
   515
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   516
    def validation_error_handler(self, req, ex):
8594
001159e2e4f3 [validation api] properly use yams 0.36 validation error api and update message catalog. Follows bbe0d6985e59
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8560
diff changeset
   517
        ex.translate(req._) # translate messages using ui language
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   518
        if '__errorurl' in req.form:
4224
5998df006968 refactor form error handling:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3408
diff changeset
   519
            forminfo = {'error': ex,
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   520
                        'values': req.form,
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   521
                        'eidmap': req.data.get('eidmap', {})
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   522
                        }
5223
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   523
            req.session.data[req.form['__errorurl']] = forminfo
4679
d8ad65dab3e9 remove #<formid> from url used to redirect after a validation error
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4639
diff changeset
   524
            # XXX form session key / __error_url should be differentiated:
d8ad65dab3e9 remove #<formid> from url used to redirect after a validation error
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4639
diff changeset
   525
            # session key is 'url + #<form dom id', though we usually don't want
d8ad65dab3e9 remove #<formid> from url used to redirect after a validation error
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4639
diff changeset
   526
            # the browser to move to the form since it hides the global
d8ad65dab3e9 remove #<formid> from url used to redirect after a validation error
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4639
diff changeset
   527
            # messages.
8312
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   528
            location = req.form['__errorurl'].rsplit('#', 1)[0]
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   529
            req.headers_out.setHeader('location', str(location))
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   530
            req.status_out = httplib.SEE_OTHER
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   531
            return ''
8560
fef0b8214fcf [web app] move set of status_out into validation_error_handler to ease readability
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8556
diff changeset
   532
        req.status_out = httplib.CONFLICT
8312
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   533
        return self.error_handler(req, ex, tb=False)
1426
379261551578 remove trailing spaces
sylvain.thenault@logilab.fr
parents: 1132
diff changeset
   534
8312
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   535
    def error_handler(self, req, ex, tb=False):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   536
        excinfo = sys.exc_info()
8466
92c668170ef9 [web app] only log tb when explicitly asked
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8443
diff changeset
   537
        if tb:
92c668170ef9 [web app] only log tb when explicitly asked
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8443
diff changeset
   538
            self.exception(repr(ex))
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   539
        req.set_header('Cache-Control', 'no-cache')
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   540
        req.remove_header('Etag')
4897
e402e0b32075 [web] start a new message system based on id of message stored in session's data
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4709
diff changeset
   541
        req.reset_message()
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   542
        req.reset_headers()
8128
0a927fe4541b [controllers] deprecate JSonController and implement AjaxController / ajax-func registry (closes #2110265)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7990
diff changeset
   543
        if req.ajax_request:
8312
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   544
            return ajax_error_handler(req, ex)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   545
        try:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   546
            req.data['ex'] = ex
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   547
            if tb:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   548
                req.data['excinfo'] = excinfo
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   549
            req.form['vid'] = 'error'
2650
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2613
diff changeset
   550
            errview = self.vreg['views'].select('error', req)
882
75488a2a875e fix ui.main-template property handling
sylvain.thenault@logilab.fr
parents: 871
diff changeset
   551
            template = self.main_template_id(req)
2650
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2613
diff changeset
   552
            content = self.vreg['views'].main_template(req, template, view=errview)
7815
2a164a9cf81c [exceptions] stop catching any exception in various places (closes #1942716)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7589
diff changeset
   553
        except Exception:
2650
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2613
diff changeset
   554
            content = self.vreg['views'].main_template(req, 'error-template')
8312
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   555
        if getattr(ex, 'status', None) is not None:
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   556
            req.status_out = ex.status
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   557
        return content
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   558
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   559
    def add_undo_link_to_msg(self, req):
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   560
        txuuid = req.data.get('last_undoable_transaction')
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   561
        if txuuid is not None:
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   562
            msg = u'<span class="undo">[<a href="%s">%s</a>]</span>' %(
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   563
            req.build_url('undo', txuuid=txuuid), req._('undo'))
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   564
            req.append_to_redirect_message(msg)
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   565
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   566
    def ajax_error_handler(self, req, ex):
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   567
        req.set_header('content-type', 'application/json')
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   568
        status = ex.status
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   569
        if status is None:
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   570
            status = httplib.INTERNAL_SERVER_ERROR
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   571
        json_dumper = getattr(ex, 'dumps', lambda : unicode(ex))
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   572
        req.status_out = status
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   573
        return json_dumper()
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   574
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   575
    # special case handling
1426
379261551578 remove trailing spaces
sylvain.thenault@logilab.fr
parents: 1132
diff changeset
   576
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   577
    def need_login_content(self, req):
2650
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2613
diff changeset
   578
        return self.vreg['views'].main_template(req, 'login')
1426
379261551578 remove trailing spaces
sylvain.thenault@logilab.fr
parents: 1132
diff changeset
   579
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   580
    def loggedout_content(self, req):
2650
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2613
diff changeset
   581
        return self.vreg['views'].main_template(req, 'loggedout')
1426
379261551578 remove trailing spaces
sylvain.thenault@logilab.fr
parents: 1132
diff changeset
   582
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   583
    def notfound_content(self, req):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   584
        req.form['vid'] = '404'
2650
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2613
diff changeset
   585
        view = self.vreg['views'].select('404', req)
882
75488a2a875e fix ui.main-template property handling
sylvain.thenault@logilab.fr
parents: 871
diff changeset
   586
        template = self.main_template_id(req)
2650
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2613
diff changeset
   587
        return self.vreg['views'].main_template(req, template, view=view)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   588
8312
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   589
    # template stuff
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   590
882
75488a2a875e fix ui.main-template property handling
sylvain.thenault@logilab.fr
parents: 871
diff changeset
   591
    def main_template_id(self, req):
2263
1f59cd5b710f accept a __template parameter that specifies a different (main) template
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 1977
diff changeset
   592
        template = req.form.get('__template', req.property_value('ui.main-template'))
2650
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2613
diff changeset
   593
        if template not in self.vreg['views']:
882
75488a2a875e fix ui.main-template property handling
sylvain.thenault@logilab.fr
parents: 871
diff changeset
   594
            template = 'main-template'
75488a2a875e fix ui.main-template property handling
sylvain.thenault@logilab.fr
parents: 871
diff changeset
   595
        return template
1426
379261551578 remove trailing spaces
sylvain.thenault@logilab.fr
parents: 1132
diff changeset
   596
7083
b8e35cde46e9 help pylint by explicitely defining some attributes
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6791
diff changeset
   597
    # these are overridden by set_log_methods below
b8e35cde46e9 help pylint by explicitely defining some attributes
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6791
diff changeset
   598
    # only defining here to prevent pylint from complaining
b8e35cde46e9 help pylint by explicitely defining some attributes
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6791
diff changeset
   599
    info = warning = error = critical = exception = debug = lambda msg,*a,**kw: None
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   600
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   601
set_log_methods(CubicWebPublisher, LOGGER)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   602
set_log_methods(CookieSessionHandler, LOGGER)