web/application.py
author Vincent Michel <vincent.michel@logilab.fr>
Fri, 08 Mar 2013 18:04:40 +0100
branchstable
changeset 8709 8dc0b8d92694
parent 8602 d066ba3bb07d
child 8711 64a400eea6dd
permissions -rw-r--r--
[web application] Fix missing self. in error_handler
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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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from __future__ import with_statement
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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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0
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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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0
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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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   263
    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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        self.session_manager.close_session(req.session)
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        req.remove_cookie(self.session_cookie(req))
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        raise LogOut(url=goto_url)
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    # 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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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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    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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            vreg = cwvreg.CWRegistryStore(config)
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        self.vreg = vreg
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        # connect to the repository and get instance's schema
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        self.repo = config.repository(vreg)
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        if not vreg.initialized:
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   290
            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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            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
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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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        self.set_urlresolver()
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        CW_EVENT_MANAGER.bind('after-registry-reload', self.set_urlresolver)
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    def set_urlresolver(self):
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        self.url_resolver = self.vreg['components'].select('urlpublisher',
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                                                           vreg=self.vreg)
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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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        self.session_handler.set_session(req)
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   317
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parents:
diff changeset
   318
    # publish methods #########################################################
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parents: 1132
diff changeset
   319
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parents: 8311
diff changeset
   320
    def log_handle_request(self, req, path):
0
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   321
        """wrapper around _publish to log all queries executed for a given
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parents:
diff changeset
   322
        accessed path
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parents:
diff changeset
   323
        """
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   324
        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
   325
            return self.main_handle_request(req, path)
0
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   326
        finally:
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   327
            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
   328
            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
   329
                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
   330
                    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
   331
                        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
   332
                        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
   333
                        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
   334
                                   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
   335
                        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
   336
                        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
   337
                        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
   338
                    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
   339
                        self.exception('error while logging queries')
0
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   340
8312
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   341
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   342
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   343
    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
   344
        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
   345
            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
   346
                 '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
   347
            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
   348
        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
   349
            # 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
   350
            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
   351
            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
   352
        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
   353
        try:
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   354
            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
   355
            # 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
   356
            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
   357
                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
   358
                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
   359
                # 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
   360
                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
   361
            # 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
   362
            # handler
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   363
            try:
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   364
                ### 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
   365
                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
   366
            # 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
   367
            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
   368
                # 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
   369
                # 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
   370
                # 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
   371
                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
   372
                    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
   373
                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
   374
                    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
   375
                # 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
   376
                # 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
   377
                # 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
   378
                else:
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   379
                    # 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
   380
                    # 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
   381
                    # 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
   382
                    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
   383
                    # 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
   384
                    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
   385
        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
   386
            # 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
   387
            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
   388
        # 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
   389
        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
   390
            # 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
   391
            # 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
   392
            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
   393
            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
   394
                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
   395
                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
   396
            else:
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   397
                # 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
   398
                # 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
   399
                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
   400
                    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
   401
                # 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
   402
                # 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
   403
                # 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
   404
                else:
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   405
                    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
   406
                # 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
   407
                # 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
   408
                # 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
   409
                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
   410
                    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
   411
        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
   412
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   413
    def core_handle(self, req, path):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   414
        """method called by the main publisher to process <path>
1426
379261551578 remove trailing spaces
sylvain.thenault@logilab.fr
parents: 1132
diff changeset
   415
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   416
        should return a string containing the resulting page or raise a
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   417
        `NotFound` exception
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   418
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   419
        :type path: str
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   420
        :param path: the path part of the url to publish
1426
379261551578 remove trailing spaces
sylvain.thenault@logilab.fr
parents: 1132
diff changeset
   421
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   422
        :type req: `web.Request`
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   423
        :param req: the request object
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   424
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   425
        :rtype: str
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   426
        :return: the result of the pusblished url
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   427
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   428
        # 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
   429
        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
   430
                   path, req.session.sessionid, req.form.keys())
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   431
        # remove user callbacks on a new request (except for json controllers
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   432
        # to avoid callbacks being unregistered before they could be called)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   433
        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
   434
        commited = False
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   435
        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
   436
            ### standard processing of the request
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   437
            try:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   438
                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
   439
                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
   440
                    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
   441
                                                                 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
   442
                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
   443
                    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
   444
                req.update_search_state()
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   445
                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
   446
            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
   447
                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
   448
                     DeprecationWarning)
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   449
                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
   450
                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
   451
            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
   452
                # 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
   453
                # 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
   454
                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
   455
            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
   456
                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
   457
                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
   458
                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
   459
                    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
   460
        ### 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
   461
        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
   462
            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
   463
            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
   464
        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
   465
            req.status_out = httplib.CONFLICT
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   466
            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
   467
        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
   468
            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
   469
        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
   470
            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
   471
                                       '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
   472
            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
   473
            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
   474
        except Forbidden, ex:
d066ba3bb07d [web] add a Forbidden exception
David Douard <david.douard@logilab.fr>
parents: 8470
diff changeset
   475
            req.data['errmsg'] = req._('This action is forbidden. '
d066ba3bb07d [web] add a Forbidden exception
David Douard <david.douard@logilab.fr>
parents: 8470
diff changeset
   476
                                       '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
   477
            req.status_out = httplib.FORBIDDEN
d066ba3bb07d [web] add a Forbidden exception
David Douard <david.douard@logilab.fr>
parents: 8470
diff changeset
   478
            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
   479
        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
   480
            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
   481
        ### 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
   482
        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
   483
            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
   484
                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
   485
            raise
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   486
        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
   487
            # 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
   488
            raise
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   489
        ### Last defence line
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   490
        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
   491
            result = self.error_handler(req, ex, tb=True)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   492
        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
   493
            if req.cnx and not commited:
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   494
                try:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   495
                    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
   496
                except Exception:
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   497
                    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
   498
            # 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
   499
            # 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
   500
            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
   501
        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
   502
        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
   503
        return result
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   504
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
   505
    # 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
   506
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
    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
   508
        """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
   509
        - 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
   510
        - 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
   511
        - 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
   512
        """
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
        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
   514
        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
   515
        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
   516
        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
   517
        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
   518
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   519
    def validation_error_handler(self, req, ex):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   520
        ex.errors = dict((k, v) for k, v in ex.errors.items())
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   521
        if '__errorurl' in req.form:
4224
5998df006968 refactor form error handling:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3408
diff changeset
   522
            forminfo = {'error': ex,
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   523
                        'values': req.form,
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   524
                        'eidmap': req.data.get('eidmap', {})
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   525
                        }
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
   526
            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
   527
            # 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
   528
            # 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
   529
            # 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
   530
            # 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
   531
            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
   532
            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
   533
            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
   534
            return ''
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   535
        return self.error_handler(req, ex, tb=False)
1426
379261551578 remove trailing spaces
sylvain.thenault@logilab.fr
parents: 1132
diff changeset
   536
8312
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   537
    def error_handler(self, req, ex, tb=False):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   538
        excinfo = sys.exc_info()
8466
92c668170ef9 [web app] only log tb when explicitly asked
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8443
diff changeset
   539
        if tb:
92c668170ef9 [web app] only log tb when explicitly asked
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8443
diff changeset
   540
            self.exception(repr(ex))
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   541
        req.set_header('Cache-Control', 'no-cache')
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   542
        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
   543
        req.reset_message()
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   544
        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
   545
        if req.ajax_request:
8709
8dc0b8d92694 [web application] Fix missing self. in error_handler
Vincent Michel <vincent.michel@logilab.fr>
parents: 8602
diff changeset
   546
            return self.ajax_error_handler(req, ex)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   547
        try:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   548
            req.data['ex'] = ex
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   549
            if tb:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   550
                req.data['excinfo'] = excinfo
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   551
            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
   552
            errview = self.vreg['views'].select('error', req)
882
75488a2a875e fix ui.main-template property handling
sylvain.thenault@logilab.fr
parents: 871
diff changeset
   553
            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
   554
            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
   555
        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
   556
            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
   557
        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
   558
            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
   559
        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
   560
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   561
    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
   562
        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
   563
        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
   564
            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
   565
            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
   566
            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
   567
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   568
    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
   569
        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
   570
        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
   571
        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
   572
            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
   573
        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
   574
        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
   575
        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
   576
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   577
    # special case handling
1426
379261551578 remove trailing spaces
sylvain.thenault@logilab.fr
parents: 1132
diff changeset
   578
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   579
    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
   580
        return self.vreg['views'].main_template(req, 'login')
1426
379261551578 remove trailing spaces
sylvain.thenault@logilab.fr
parents: 1132
diff changeset
   581
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   582
    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
   583
        return self.vreg['views'].main_template(req, 'loggedout')
1426
379261551578 remove trailing spaces
sylvain.thenault@logilab.fr
parents: 1132
diff changeset
   584
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   585
    def notfound_content(self, req):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   586
        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
   587
        view = self.vreg['views'].select('404', req)
882
75488a2a875e fix ui.main-template property handling
sylvain.thenault@logilab.fr
parents: 871
diff changeset
   588
        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
   589
        return self.vreg['views'].main_template(req, template, view=view)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   590
8312
6c2119509fac [web] Move request handling logic into cubicweb application. (closes #2200684)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8311
diff changeset
   591
    # 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
   592
882
75488a2a875e fix ui.main-template property handling
sylvain.thenault@logilab.fr
parents: 871
diff changeset
   593
    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
   594
        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
   595
        if template not in self.vreg['views']:
882
75488a2a875e fix ui.main-template property handling
sylvain.thenault@logilab.fr
parents: 871
diff changeset
   596
            template = 'main-template'
75488a2a875e fix ui.main-template property handling
sylvain.thenault@logilab.fr
parents: 871
diff changeset
   597
        return template
1426
379261551578 remove trailing spaces
sylvain.thenault@logilab.fr
parents: 1132
diff changeset
   598
7083
b8e35cde46e9 help pylint by explicitely defining some attributes
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6791
diff changeset
   599
    # 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
   600
    # 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
   601
    info = warning = error = critical = exception = debug = lambda msg,*a,**kw: None
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   602
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   603
set_log_methods(CubicWebPublisher, LOGGER)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   604
set_log_methods(CookieSessionHandler, LOGGER)