web/request.py
author Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
Fri, 01 Apr 2011 14:34:11 +0200
changeset 7164 93a19c1831aa
parent 7070 5f8e52d722c5
child 7187 496f51b92154
permissions -rw-r--r--
[http] implement 1587305: provide better implementation of Accept header parsing + tests
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# copyright 2003-2010 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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"""abstract class for http request"""
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__docformat__ = "restructuredtext en"
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import Cookie
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import hashlib
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import time
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import random
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import base64
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from datetime import date
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from urlparse import urlsplit
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from itertools import count
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from warnings import warn
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from rql.utils import rqlvar_maker
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from logilab.common.decorators import cached
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from logilab.common.deprecation import deprecated
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from logilab.mtconverter import xml_escape
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from cubicweb.dbapi import DBAPIRequest
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from cubicweb.mail import header
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from cubicweb.uilib import remove_html_tags, js
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from cubicweb.utils import SizeConstrainedList, HTMLHead, make_uid
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from cubicweb.view import STRICT_DOCTYPE, TRANSITIONAL_DOCTYPE_NOEXT
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from cubicweb.web import (INTERNAL_FIELD_VALUE, LOGGER, NothingToEdit,
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                          RequestError, StatusResponse)
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from cubicweb.web.http_headers import Headers
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_MARKER = object()
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def build_cb_uid(seed):
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    sha = hashlib.sha1('%s%s%s' % (time.time(), seed, random.random()))
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    return 'cb_%s' % (sha.hexdigest())
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def list_form_param(form, param, pop=False):
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    """get param from form parameters and return its value as a list,
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    skipping internal markers if any
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    * if the parameter isn't defined, return an empty list
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    * if the parameter is a single (unicode) value, return a list
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      containing that value
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    * if the parameter is already a list or tuple, just skip internal
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      markers
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    if pop is True, the parameter is removed from the form dictionnary
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    """
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    if pop:
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        try:
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            value = form.pop(param)
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        except KeyError:
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            return []
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    else:
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        value = form.get(param, ())
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    if value is None:
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        value = ()
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    elif not isinstance(value, (list, tuple)):
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        value = [value]
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    return [v for v in value if v != INTERNAL_FIELD_VALUE]
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class CubicWebRequestBase(DBAPIRequest):
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    """abstract HTTP request, should be extended according to the HTTP backend"""
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    json_request = False # to be set to True by json controllers
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    def __init__(self, vreg, https, form=None):
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        super(CubicWebRequestBase, self).__init__(vreg)
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        self.https = https
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        if https:
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            self.uiprops = vreg.config.https_uiprops
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            self.datadir_url = vreg.config.https_datadir_url
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        else:
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            self.uiprops = vreg.config.uiprops
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            self.datadir_url = vreg.config.datadir_url
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        # raw html headers that can be added from any view
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        self.html_headers = HTMLHead()
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        # form parameters
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        self.setup_params(form)
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        # dictionnary that may be used to store request data that has to be
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        # shared among various components used to publish the request (views,
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        # controller, application...)
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        self.data = {}
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        # search state: 'normal' or 'linksearch' (eg searching for an object
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        # to create a relation with another)
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        self.search_state = ('normal',)
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        # page id, set by htmlheader template
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        self.pageid = None
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        self._set_pageid()
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        # prepare output header
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        self.headers_out = Headers()
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    def _set_pageid(self):
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        """initialize self.pageid
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        if req.form provides a specific pageid, use it, otherwise build a
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        new one.
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        """
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        pid = self.form.get('pageid')
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        if pid is None:
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            pid = make_uid(id(self))
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        self.pageid = pid
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        self.html_headers.define_var('pageid', pid, override=False)
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    @property
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    def authmode(self):
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        return self.vreg.config['auth-mode']
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    @property
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    def varmaker(self):
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        """the rql varmaker is exposed both as a property and as the
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        set_varmaker function since we've two use cases:
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        * accessing the req.varmaker property to get a new variable name
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        * calling req.set_varmaker() to ensure a varmaker is set for later ajax
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          calls sharing our .pageid
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        """
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        return self.set_varmaker()
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    def _get_tabindex_func(self):
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        nextfunc = self.get_page_data('nexttabfunc')
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        if nextfunc is None:
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            nextfunc = count(1).next
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            self.set_page_data('nexttabfunc', nextfunc)
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        return nextfunc
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    def set_varmaker(self):
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        varmaker = self.get_page_data('rql_varmaker')
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        if varmaker is None:
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            varmaker = rqlvar_maker()
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            self.set_page_data('rql_varmaker', varmaker)
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        return varmaker
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    def set_session(self, session, user=None):
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        """method called by the session handler when the user is authenticated
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        or an anonymous connection is open
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        """
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        super(CubicWebRequestBase, self).set_session(session, user)
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        # tabindex generator
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        self.next_tabindex = self._get_tabindex_func()
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        # set request language
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        vreg = self.vreg
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        if self.user:
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            try:
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                # 1. user specified language
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                lang = vreg.typed_value('ui.language',
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                                        self.user.properties['ui.language'])
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                self.set_language(lang)
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                return
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            except KeyError:
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                pass
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        if vreg.config['language-negociation']:
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            # 2. http negociated language
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            for lang in self.header_accept_language():
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                if lang in self.translations:
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                    self.set_language(lang)
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                    return
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        # 3. default language
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        self.set_default_language(vreg)
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    def set_language(self, lang):
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        gettext, self.pgettext = self.translations[lang]
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        self._ = self.__ = gettext
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        self.lang = lang
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        self.debug('request language: %s', lang)
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        if self.cnx:
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            self.cnx.set_session_props(lang=lang)
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    # input form parameters management ########################################
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    # common form parameters which should be protected against html values
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    # XXX can't add 'eid' for instance since it may be multivalued
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    # dont put rql as well, if query contains < and > it will be corrupted!
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    no_script_form_params = set(('vid',
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                                 'etype',
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                                 'vtitle', 'title',
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                                 '__message',
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                                 '__redirectvid', '__redirectrql'))
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0
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    def setup_params(self, params):
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        """WARNING: we're intentionaly leaving INTERNAL_FIELD_VALUE here
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        subclasses should overrides to
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        """
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        self.form = {}
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        if params is None:
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            return
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        encoding = self.encoding
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        for param, val in params.iteritems():
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            if isinstance(val, (tuple, list)):
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                val = [unicode(x, encoding) for x in val]
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                if len(val) == 1:
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                    val = val[0]
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            elif isinstance(val, str):
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                val = unicode(val, encoding)
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            if param in self.no_script_form_params and val:
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                val = self.no_script_form_param(param, val)
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            if param == '_cwmsgid':
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                self.set_message_id(val)
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            elif param == '__message':
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                self.set_message(val)
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            else:
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                self.form[param] = val
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    def no_script_form_param(self, param, value):
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        """ensure there is no script in a user form param
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        by default return a cleaned string instead of raising a security
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        exception
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        this method should be called on every user input (form at least) fields
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        that are at some point inserted in a generated html page to protect
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        against script kiddies
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        """
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        # safety belt for strange urls like http://...?vtitle=yo&vtitle=yo
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        if isinstance(value, (list, tuple)):
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            self.error('no_script_form_param got a list (%s). Who generated the URL ?',
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                       repr(value))
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            value = value[0]
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        return remove_html_tags(value)
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0
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    def list_form_param(self, param, form=None, pop=False):
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        """get param from form parameters and return its value as a list,
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        skipping internal markers if any
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0
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        * if the parameter isn't defined, return an empty list
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        * if the parameter is a single (unicode) value, return a list
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          containing that value
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        * if the parameter is already a list or tuple, just skip internal
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          markers
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        if pop is True, the parameter is removed from the form dictionnary
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        """
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        if form is None:
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            form = self.form
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        return list_form_param(form, param, pop)
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0
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    def reset_headers(self):
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        """used by AutomaticWebTest to clear html headers between tests on
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        the same resultset
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        """
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        self.html_headers = HTMLHead()
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        return self
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    # web state helpers #######################################################
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    @property
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    def message(self):
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        try:
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            return self.session.data.pop(self._msgid, '')
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        except AttributeError:
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            try:
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                return self._msg
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            except AttributeError:
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                return None
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0
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    def set_message(self, msg):
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        assert isinstance(msg, unicode)
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        self._msg = msg
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    def set_message_id(self, msgid):
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        self._msgid = msgid
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   282
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    @cached
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    def redirect_message_id(self):
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        return make_uid()
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   286
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   287
    def set_redirect_message(self, msg):
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   288
        assert isinstance(msg, unicode)
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        msgid = self.redirect_message_id()
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        self.session.data[msgid] = msg
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        return msgid
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   292
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   293
    def append_to_redirect_message(self, msg):
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        msgid = self.redirect_message_id()
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        currentmsg = self.session.data.get(msgid)
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   296
        if currentmsg is not None:
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   297
            currentmsg = '%s %s' % (currentmsg, msg)
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   298
        else:
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   299
            currentmsg = msg
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        self.session.data[msgid] = currentmsg
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        return msgid
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   303
    def reset_message(self):
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   304
        if hasattr(self, '_msg'):
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   305
            del self._msg
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   306
        if hasattr(self, '_msgid'):
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   307
            del self._msgid
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   308
0
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    def update_search_state(self):
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        """update the current search state"""
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   311
        searchstate = self.form.get('__mode')
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        if not searchstate and self.cnx:
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            searchstate = self.session.data.get('search_state', 'normal')
0
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        self.set_search_state(searchstate)
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   315
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    def set_search_state(self, searchstate):
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        """set a new search state"""
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   318
        if searchstate is None or searchstate == 'normal':
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   319
            self.search_state = (searchstate or 'normal',)
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   320
        else:
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   321
            self.search_state = ('linksearch', searchstate.split(':'))
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   322
            assert len(self.search_state[-1]) == 4
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   323
        if self.cnx:
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            self.session.data['search_state'] = searchstate
0
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   325
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   326
    def match_search_state(self, rset):
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        """when searching an entity to create a relation, return True if entities in
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   328
        the given rset may be used as relation end
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   329
        """
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   330
        try:
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   331
            searchedtype = self.search_state[1][-1]
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   332
        except IndexError:
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diff changeset
   333
            return False # no searching for association
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   334
        for etype in rset.column_types(0):
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   335
            if etype != searchedtype:
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   336
                return False
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   337
        return True
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   338
0
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   339
    def update_breadcrumbs(self):
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   340
        """stores the last visisted page in session data"""
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diff changeset
   341
        searchstate = self.session.data.get('search_state')
0
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diff changeset
   342
        if searchstate == 'normal':
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: 5155
diff changeset
   343
            breadcrumbs = self.session.data.get('breadcrumbs')
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   344
            if breadcrumbs is None:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   345
                breadcrumbs = SizeConstrainedList(10)
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: 5155
diff changeset
   346
                self.session.data['breadcrumbs'] = breadcrumbs
4864
e77d3e95872d [web req] check latest url in breadcrumbs is not the same as the current one to keep more valuable information
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
   347
                breadcrumbs.append(self.url())
e77d3e95872d [web req] check latest url in breadcrumbs is not the same as the current one to keep more valuable information
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
   348
            else:
e77d3e95872d [web req] check latest url in breadcrumbs is not the same as the current one to keep more valuable information
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
   349
                url = self.url()
4974
025a491bad0c take care to empty breadcrumbs
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4868
diff changeset
   350
                if breadcrumbs and breadcrumbs[-1] != url:
4864
e77d3e95872d [web req] check latest url in breadcrumbs is not the same as the current one to keep more valuable information
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
   351
                    breadcrumbs.append(url)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   352
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   353
    def last_visited_page(self):
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: 5155
diff changeset
   354
        breadcrumbs = self.session.data.get('breadcrumbs')
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   355
        if breadcrumbs:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   356
            return breadcrumbs.pop()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   357
        return self.base_url()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   358
6062
f1a550102f5c [request] enhanced user[_rql]_callback method, allowing to call other js variant, eg one of userCallback, userCallbackThenUpdateUI, userCallbackThenReloadPage (the default). Also benefit from the new magic js object.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5940
diff changeset
   359
    def user_rql_callback(self, rqlargs, *args, **kwargs):
2792
135580d15d42 rename and move cw.RequestSessionMixIn to cw.req.RequestSessionBase; move some appobjects methods where they actually belong to
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2788
diff changeset
   360
        """register a user callback to execute some rql query and return an url
6062
f1a550102f5c [request] enhanced user[_rql]_callback method, allowing to call other js variant, eg one of userCallback, userCallbackThenUpdateUI, userCallbackThenReloadPage (the default). Also benefit from the new magic js object.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5940
diff changeset
   361
        to call it ready to be inserted in html.
f1a550102f5c [request] enhanced user[_rql]_callback method, allowing to call other js variant, eg one of userCallback, userCallbackThenUpdateUI, userCallbackThenReloadPage (the default). Also benefit from the new magic js object.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5940
diff changeset
   362
f1a550102f5c [request] enhanced user[_rql]_callback method, allowing to call other js variant, eg one of userCallback, userCallbackThenUpdateUI, userCallbackThenReloadPage (the default). Also benefit from the new magic js object.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5940
diff changeset
   363
        rqlargs should be a tuple containing argument to give to the execute function.
f1a550102f5c [request] enhanced user[_rql]_callback method, allowing to call other js variant, eg one of userCallback, userCallbackThenUpdateUI, userCallbackThenReloadPage (the default). Also benefit from the new magic js object.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5940
diff changeset
   364
f1a550102f5c [request] enhanced user[_rql]_callback method, allowing to call other js variant, eg one of userCallback, userCallbackThenUpdateUI, userCallbackThenReloadPage (the default). Also benefit from the new magic js object.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5940
diff changeset
   365
        For other allowed arguments, see :meth:`user_callback` method
2792
135580d15d42 rename and move cw.RequestSessionMixIn to cw.req.RequestSessionBase; move some appobjects methods where they actually belong to
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2788
diff changeset
   366
        """
135580d15d42 rename and move cw.RequestSessionMixIn to cw.req.RequestSessionBase; move some appobjects methods where they actually belong to
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2788
diff changeset
   367
        def rqlexec(req, rql, args=None, key=None):
135580d15d42 rename and move cw.RequestSessionMixIn to cw.req.RequestSessionBase; move some appobjects methods where they actually belong to
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2788
diff changeset
   368
            req.execute(rql, args, key)
6062
f1a550102f5c [request] enhanced user[_rql]_callback method, allowing to call other js variant, eg one of userCallback, userCallbackThenUpdateUI, userCallbackThenReloadPage (the default). Also benefit from the new magic js object.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5940
diff changeset
   369
        return self.user_callback(rqlexec, rqlargs, *args, **kwargs)
f1a550102f5c [request] enhanced user[_rql]_callback method, allowing to call other js variant, eg one of userCallback, userCallbackThenUpdateUI, userCallbackThenReloadPage (the default). Also benefit from the new magic js object.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5940
diff changeset
   370
f1a550102f5c [request] enhanced user[_rql]_callback method, allowing to call other js variant, eg one of userCallback, userCallbackThenUpdateUI, userCallbackThenReloadPage (the default). Also benefit from the new magic js object.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5940
diff changeset
   371
    def user_callback(self, cb, cbargs, *args, **kwargs):
f1a550102f5c [request] enhanced user[_rql]_callback method, allowing to call other js variant, eg one of userCallback, userCallbackThenUpdateUI, userCallbackThenReloadPage (the default). Also benefit from the new magic js object.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5940
diff changeset
   372
        """register the given user callback and return an url to call it ready
f1a550102f5c [request] enhanced user[_rql]_callback method, allowing to call other js variant, eg one of userCallback, userCallbackThenUpdateUI, userCallbackThenReloadPage (the default). Also benefit from the new magic js object.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5940
diff changeset
   373
        to be inserted in html.
2792
135580d15d42 rename and move cw.RequestSessionMixIn to cw.req.RequestSessionBase; move some appobjects methods where they actually belong to
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2788
diff changeset
   374
6062
f1a550102f5c [request] enhanced user[_rql]_callback method, allowing to call other js variant, eg one of userCallback, userCallbackThenUpdateUI, userCallbackThenReloadPage (the default). Also benefit from the new magic js object.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5940
diff changeset
   375
        You can specify the underlying js function to call using a 'jsfunc'
f1a550102f5c [request] enhanced user[_rql]_callback method, allowing to call other js variant, eg one of userCallback, userCallbackThenUpdateUI, userCallbackThenReloadPage (the default). Also benefit from the new magic js object.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5940
diff changeset
   376
        named args, to one of :func:`userCallback`,
f1a550102f5c [request] enhanced user[_rql]_callback method, allowing to call other js variant, eg one of userCallback, userCallbackThenUpdateUI, userCallbackThenReloadPage (the default). Also benefit from the new magic js object.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5940
diff changeset
   377
        ':func:`userCallbackThenUpdateUI`, ':func:`userCallbackThenReloadPage`
f1a550102f5c [request] enhanced user[_rql]_callback method, allowing to call other js variant, eg one of userCallback, userCallbackThenUpdateUI, userCallbackThenReloadPage (the default). Also benefit from the new magic js object.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5940
diff changeset
   378
        (the default). Take care arguments may vary according to the used
f1a550102f5c [request] enhanced user[_rql]_callback method, allowing to call other js variant, eg one of userCallback, userCallbackThenUpdateUI, userCallbackThenReloadPage (the default). Also benefit from the new magic js object.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5940
diff changeset
   379
        function.
2792
135580d15d42 rename and move cw.RequestSessionMixIn to cw.req.RequestSessionBase; move some appobjects methods where they actually belong to
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2788
diff changeset
   380
        """
135580d15d42 rename and move cw.RequestSessionMixIn to cw.req.RequestSessionBase; move some appobjects methods where they actually belong to
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2788
diff changeset
   381
        self.add_js('cubicweb.ajax.js')
6062
f1a550102f5c [request] enhanced user[_rql]_callback method, allowing to call other js variant, eg one of userCallback, userCallbackThenUpdateUI, userCallbackThenReloadPage (the default). Also benefit from the new magic js object.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5940
diff changeset
   382
        jsfunc = kwargs.pop('jsfunc', 'userCallbackThenReloadPage')
f1a550102f5c [request] enhanced user[_rql]_callback method, allowing to call other js variant, eg one of userCallback, userCallbackThenUpdateUI, userCallbackThenReloadPage (the default). Also benefit from the new magic js object.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5940
diff changeset
   383
        if 'msg' in kwargs:
f1a550102f5c [request] enhanced user[_rql]_callback method, allowing to call other js variant, eg one of userCallback, userCallbackThenUpdateUI, userCallbackThenReloadPage (the default). Also benefit from the new magic js object.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5940
diff changeset
   384
            warn('[3.10] msg should be given as positional argument',
f1a550102f5c [request] enhanced user[_rql]_callback method, allowing to call other js variant, eg one of userCallback, userCallbackThenUpdateUI, userCallbackThenReloadPage (the default). Also benefit from the new magic js object.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5940
diff changeset
   385
                 DeprecationWarning, stacklevel=2)
f1a550102f5c [request] enhanced user[_rql]_callback method, allowing to call other js variant, eg one of userCallback, userCallbackThenUpdateUI, userCallbackThenReloadPage (the default). Also benefit from the new magic js object.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5940
diff changeset
   386
            args = (kwargs.pop('msg'),) + args
f1a550102f5c [request] enhanced user[_rql]_callback method, allowing to call other js variant, eg one of userCallback, userCallbackThenUpdateUI, userCallbackThenReloadPage (the default). Also benefit from the new magic js object.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5940
diff changeset
   387
        assert not kwargs, 'dunno what to do with remaining kwargs: %s' % kwargs
f1a550102f5c [request] enhanced user[_rql]_callback method, allowing to call other js variant, eg one of userCallback, userCallbackThenUpdateUI, userCallbackThenReloadPage (the default). Also benefit from the new magic js object.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5940
diff changeset
   388
        cbname = self.register_onetime_callback(cb, *cbargs)
f1a550102f5c [request] enhanced user[_rql]_callback method, allowing to call other js variant, eg one of userCallback, userCallbackThenUpdateUI, userCallbackThenReloadPage (the default). Also benefit from the new magic js object.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5940
diff changeset
   389
        return "javascript: %s" % getattr(js, jsfunc)(cbname, *args)
2792
135580d15d42 rename and move cw.RequestSessionMixIn to cw.req.RequestSessionBase; move some appobjects methods where they actually belong to
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2788
diff changeset
   390
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   391
    def register_onetime_callback(self, func, *args):
6564
ff9f7c566464 [request] fix ajax_replace_url which breaks if the url contains some quotes (that will be properly quoted but unquoted by the browser, breaking the js expression) by using a separated js function
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6543
diff changeset
   392
        cbname = build_cb_uid(func.__name__)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   393
        def _cb(req):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   394
            try:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   395
                ret = func(req, *args)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   396
            except TypeError:
5505
7f98d22ac6e4 [deprecation] missing version number to old warning message
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5426
diff changeset
   397
                warn('[3.2] user callback should now take request as argument')
1426
379261551578 remove trailing spaces
sylvain.thenault@logilab.fr
parents: 1421
diff changeset
   398
                ret = func(*args)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   399
            self.unregister_callback(self.pageid, cbname)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   400
            return ret
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   401
        self.set_page_data(cbname, _cb)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   402
        return cbname
1426
379261551578 remove trailing spaces
sylvain.thenault@logilab.fr
parents: 1421
diff changeset
   403
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   404
    def unregister_callback(self, pageid, cbname):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   405
        assert pageid is not None
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   406
        assert cbname.startswith('cb_')
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   407
        self.info('unregistering callback %s for pageid %s', cbname, pageid)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   408
        self.del_page_data(cbname)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   409
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   410
    def clear_user_callbacks(self):
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: 5155
diff changeset
   411
        if self.session is not None: # XXX
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: 5155
diff changeset
   412
            for key in self.session.data.keys():
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: 5155
diff changeset
   413
                if key.startswith('cb_'):
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: 5155
diff changeset
   414
                    del self.session.data[key]
1426
379261551578 remove trailing spaces
sylvain.thenault@logilab.fr
parents: 1421
diff changeset
   415
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   416
    # web edition helpers #####################################################
1426
379261551578 remove trailing spaces
sylvain.thenault@logilab.fr
parents: 1421
diff changeset
   417
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   418
    @cached # so it's writed only once
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   419
    def fckeditor_config(self):
890
3530baff9120 make fckeditor actually optional, fix its config, avoid needs for a link to fckeditor.js
sylvain.thenault@logilab.fr
parents: 662
diff changeset
   420
        self.add_js('fckeditor/fckeditor.js')
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   421
        self.html_headers.define_var('fcklang', self.lang)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   422
        self.html_headers.define_var('fckconfigpath',
7070
5f8e52d722c5 [web] provide a data_url() method on req and get_rid of explicit datadir_url usage (#1438736)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 6581
diff changeset
   423
                                     self.data_url('cubicweb.fckcwconfig.js'))
1013
948a3882c94a add a use_fckeditor method on http request
sylvain.thenault@logilab.fr
parents: 940
diff changeset
   424
    def use_fckeditor(self):
948a3882c94a add a use_fckeditor method on http request
sylvain.thenault@logilab.fr
parents: 940
diff changeset
   425
        return self.vreg.config.fckeditor_installed() and self.property_value('ui.fckeditor')
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   426
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   427
    def edited_eids(self, withtype=False):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   428
        """return a list of edited eids"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   429
        yielded = False
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   430
        # warning: use .keys since the caller may change `form`
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   431
        form = self.form
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   432
        try:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   433
            eids = form['eid']
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   434
        except KeyError:
4155
80cc9c6ddcf0 NothingToEdit is not a ValidationError, simplify
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4154
diff changeset
   435
            raise NothingToEdit(self._('no selected entities'))
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   436
        if isinstance(eids, basestring):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   437
            eids = (eids,)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   438
        for peid in eids:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   439
            if withtype:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   440
                typekey = '__type:%s' % peid
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   441
                assert typekey in form, 'no entity type specified'
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   442
                yield peid, form[typekey]
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   443
            else:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   444
                yield peid
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   445
            yielded = True
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   446
        if not yielded:
4155
80cc9c6ddcf0 NothingToEdit is not a ValidationError, simplify
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4154
diff changeset
   447
            raise NothingToEdit(self._('no selected entities'))
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   448
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   449
    # minparams=3 by default: at least eid, __type, and some params to change
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   450
    def extract_entity_params(self, eid, minparams=3):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   451
        """extract form parameters relative to the given eid"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   452
        params = {}
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   453
        eid = str(eid)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   454
        form = self.form
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   455
        for param in form:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   456
            try:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   457
                name, peid = param.split(':', 1)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   458
            except ValueError:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   459
                if not param.startswith('__') and param != "eid":
6079
bd7e3042791e fix the fix
Nicolas Chauvat <nicolas.chauvat@logilab.fr>
parents: 6078
diff changeset
   460
                    self.warning('param %s mis-formatted', param)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   461
                continue
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   462
            if peid == eid:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   463
                value = form[param]
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   464
                if value == INTERNAL_FIELD_VALUE:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   465
                    value = None
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   466
                params[name] = value
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   467
        params['eid'] = eid
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   468
        if len(params) < minparams:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   469
            raise RequestError(self._('missing parameters for entity %s') % eid)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   470
        return params
1426
379261551578 remove trailing spaces
sylvain.thenault@logilab.fr
parents: 1421
diff changeset
   471
4277
35cd057339b2 turn all the stuff used to handle 'generic relations' in forms into proper
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4252
diff changeset
   472
    # XXX this should go to the GenericRelationsField. missing edition cancel protocol.
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   473
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   474
    def remove_pending_operations(self):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   475
        """shortcut to clear req's pending_{delete,insert} entries
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   476
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   477
        This is needed when the edition is completed (whether it's validated
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   478
        or cancelled)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   479
        """
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: 5155
diff changeset
   480
        self.session.data.pop('pending_insert', None)
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: 5155
diff changeset
   481
        self.session.data.pop('pending_delete', None)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   482
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   483
    def cancel_edition(self, errorurl):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   484
        """remove pending operations and `errorurl`'s specific stored data
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   485
        """
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: 5155
diff changeset
   486
        self.session.data.pop(errorurl, None)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   487
        self.remove_pending_operations()
1426
379261551578 remove trailing spaces
sylvain.thenault@logilab.fr
parents: 1421
diff changeset
   488
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   489
    # high level methods for HTTP headers management ##########################
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   490
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   491
    # must be cached since login/password are popped from the form dictionary
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   492
    # and this method may be called multiple times during authentication
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   493
    @cached
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   494
    def get_authorization(self):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   495
        """Parse and return the Authorization header"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   496
        if self.authmode == "cookie":
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   497
            try:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   498
                user = self.form.pop("__login")
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   499
                passwd = self.form.pop("__password", '')
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   500
                return user, passwd.encode('UTF8')
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   501
            except KeyError:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   502
                self.debug('no login/password in form params')
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   503
                return None, None
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   504
        else:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   505
            return self.header_authorization()
1426
379261551578 remove trailing spaces
sylvain.thenault@logilab.fr
parents: 1421
diff changeset
   506
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   507
    def get_cookie(self):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   508
        """retrieve request cookies, returns an empty cookie if not found"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   509
        try:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   510
            return Cookie.SimpleCookie(self.get_header('Cookie'))
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   511
        except KeyError:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   512
            return Cookie.SimpleCookie()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   513
3653
ef71abb1e77b [req] new expires argument to set_cookie
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3293
diff changeset
   514
    def set_cookie(self, cookie, key, maxage=300, expires=None):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   515
        """set / update a cookie key
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   516
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   517
        by default, cookie will be available for the next 5 minutes.
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   518
        Give maxage = None to have a "session" cookie expiring when the
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   519
        client close its browser
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   520
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   521
        morsel = cookie[key]
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   522
        if maxage is not None:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   523
            morsel['Max-Age'] = maxage
3653
ef71abb1e77b [req] new expires argument to set_cookie
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3293
diff changeset
   524
        if expires:
ef71abb1e77b [req] new expires argument to set_cookie
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3293
diff changeset
   525
            morsel['expires'] = expires.strftime('%a, %d %b %Y %H:%M:%S %z')
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   526
        # make sure cookie is set on the correct path
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   527
        morsel['path'] = self.base_url_path()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   528
        self.add_header('Set-Cookie', morsel.OutputString())
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   529
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   530
    def remove_cookie(self, cookie, key):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   531
        """remove a cookie by expiring it"""
3653
ef71abb1e77b [req] new expires argument to set_cookie
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3293
diff changeset
   532
        self.set_cookie(cookie, key, maxage=0, expires=date(1970, 1, 1))
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   533
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   534
    def set_content_type(self, content_type, filename=None, encoding=None):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   535
        """set output content type for this request. An optional filename
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   536
        may be given
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   537
        """
6353
b622602f8e9d don't add another encoding if already present in content-type
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6259
diff changeset
   538
        if content_type.startswith('text/') and ';charset=' not in content_type:
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   539
            content_type += ';charset=' + (encoding or self.encoding)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   540
        self.set_header('content-type', content_type)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   541
        if filename:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   542
            if isinstance(filename, unicode):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   543
                filename = header(filename).encode()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   544
            self.set_header('content-disposition', 'inline; filename=%s'
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   545
                            % filename)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   546
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   547
    # high level methods for HTML headers management ##########################
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   548
2258
79bc598c6411 when request is a json request, bind on 'ajax-loaded' instead of document.ready()
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2255
diff changeset
   549
    def add_onload(self, jscode):
4851
e55bdd10421e remove deprecation warning introduced by add_onload api change
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
   550
        self.html_headers.add_onload(jscode)
2258
79bc598c6411 when request is a json request, bind on 'ajax-loaded' instead of document.ready()
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2255
diff changeset
   551
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   552
    def add_js(self, jsfiles, localfile=True):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   553
        """specify a list of JS files to include in the HTML headers
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   554
        :param jsfiles: a JS filename or a list of JS filenames
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   555
        :param localfile: if True, the default data dir prefix is added to the
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   556
                          JS filename
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   557
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   558
        if isinstance(jsfiles, basestring):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   559
            jsfiles = (jsfiles,)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   560
        for jsfile in jsfiles:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   561
            if localfile:
7070
5f8e52d722c5 [web] provide a data_url() method on req and get_rid of explicit datadir_url usage (#1438736)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 6581
diff changeset
   562
                jsfile = self.data_url(jsfile)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   563
            self.html_headers.add_js(jsfile)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   564
4860
cedb6afdb7da [web] fix #736332: iespec functionality for add_css
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 4719
diff changeset
   565
    def add_css(self, cssfiles, media=u'all', localfile=True, ieonly=False,
cedb6afdb7da [web] fix #736332: iespec functionality for add_css
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 4719
diff changeset
   566
                iespec=u'[if lt IE 8]'):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   567
        """specify a CSS file to include in the HTML headers
5290
15846058378b [doc/book] fix a bit the request chapter, add autodoc
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 4984
diff changeset
   568
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   569
        :param cssfiles: a CSS filename or a list of CSS filenames
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   570
        :param media: the CSS's media if necessary
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   571
        :param localfile: if True, the default data dir prefix is added to the
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   572
                          CSS filename
4860
cedb6afdb7da [web] fix #736332: iespec functionality for add_css
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 4719
diff changeset
   573
        :param ieonly: True if this css is specific to IE
cedb6afdb7da [web] fix #736332: iespec functionality for add_css
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 4719
diff changeset
   574
        :param iespec: conditional expression that will be used around
cedb6afdb7da [web] fix #736332: iespec functionality for add_css
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 4719
diff changeset
   575
                       the css inclusion. cf:
cedb6afdb7da [web] fix #736332: iespec functionality for add_css
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 4719
diff changeset
   576
                       http://msdn.microsoft.com/en-us/library/ms537512(VS.85).aspx
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   577
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   578
        if isinstance(cssfiles, basestring):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   579
            cssfiles = (cssfiles,)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   580
        if ieonly:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   581
            if self.ie_browser():
4860
cedb6afdb7da [web] fix #736332: iespec functionality for add_css
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 4719
diff changeset
   582
                extraargs = [iespec]
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   583
                add_css = self.html_headers.add_ie_css
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   584
            else:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   585
                return # no need to do anything on non IE browsers
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   586
        else:
4860
cedb6afdb7da [web] fix #736332: iespec functionality for add_css
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 4719
diff changeset
   587
            extraargs = []
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   588
            add_css = self.html_headers.add_css
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   589
        for cssfile in cssfiles:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   590
            if localfile:
7070
5f8e52d722c5 [web] provide a data_url() method on req and get_rid of explicit datadir_url usage (#1438736)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 6581
diff changeset
   591
                cssfile = self.data_url(cssfile)
4860
cedb6afdb7da [web] fix #736332: iespec functionality for add_css
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 4719
diff changeset
   592
            add_css(cssfile, media, *extraargs)
1426
379261551578 remove trailing spaces
sylvain.thenault@logilab.fr
parents: 1421
diff changeset
   593
5713
605f571198eb [web] ajax_replace_url superseed build_ajax_replace_url, more generic and relying on the json controller (closes #750090)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5685
diff changeset
   594
    @deprecated('[3.9] use ajax_replace_url() instead, naming rql and vid arguments')
1801
672acc730ce5 ajax_replace_url becomes obsolete, req.build_ajax_replace_url should be used instead
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1718
diff changeset
   595
    def build_ajax_replace_url(self, nodeid, rql, vid, replacemode='replace',
672acc730ce5 ajax_replace_url becomes obsolete, req.build_ajax_replace_url should be used instead
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1718
diff changeset
   596
                               **extraparams):
5713
605f571198eb [web] ajax_replace_url superseed build_ajax_replace_url, more generic and relying on the json controller (closes #750090)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5685
diff changeset
   597
        return self.ajax_replace_url(nodeid, replacemode, rql=rql, vid=vid,
605f571198eb [web] ajax_replace_url superseed build_ajax_replace_url, more generic and relying on the json controller (closes #750090)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5685
diff changeset
   598
                                     **extraparams)
605f571198eb [web] ajax_replace_url superseed build_ajax_replace_url, more generic and relying on the json controller (closes #750090)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5685
diff changeset
   599
605f571198eb [web] ajax_replace_url superseed build_ajax_replace_url, more generic and relying on the json controller (closes #750090)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5685
diff changeset
   600
    def ajax_replace_url(self, nodeid, replacemode='replace', **extraparams):
5290
15846058378b [doc/book] fix a bit the request chapter, add autodoc
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 4984
diff changeset
   601
        """builds an ajax url that will replace nodeid's content
15846058378b [doc/book] fix a bit the request chapter, add autodoc
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 4984
diff changeset
   602
1801
672acc730ce5 ajax_replace_url becomes obsolete, req.build_ajax_replace_url should be used instead
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1718
diff changeset
   603
        :param nodeid: the dom id of the node to replace
672acc730ce5 ajax_replace_url becomes obsolete, req.build_ajax_replace_url should be used instead
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1718
diff changeset
   604
        :param replacemode: defines how the replacement should be done.
5290
15846058378b [doc/book] fix a bit the request chapter, add autodoc
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 4984
diff changeset
   605
5713
605f571198eb [web] ajax_replace_url superseed build_ajax_replace_url, more generic and relying on the json controller (closes #750090)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5685
diff changeset
   606
          Possible values are :
605f571198eb [web] ajax_replace_url superseed build_ajax_replace_url, more generic and relying on the json controller (closes #750090)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5685
diff changeset
   607
          - 'replace' to replace the node's content with the generated HTML
605f571198eb [web] ajax_replace_url superseed build_ajax_replace_url, more generic and relying on the json controller (closes #750090)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5685
diff changeset
   608
          - 'swap' to replace the node itself with the generated HTML
605f571198eb [web] ajax_replace_url superseed build_ajax_replace_url, more generic and relying on the json controller (closes #750090)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5685
diff changeset
   609
          - 'append' to append the generated HTML to the node's content
605f571198eb [web] ajax_replace_url superseed build_ajax_replace_url, more generic and relying on the json controller (closes #750090)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5685
diff changeset
   610
605f571198eb [web] ajax_replace_url superseed build_ajax_replace_url, more generic and relying on the json controller (closes #750090)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5685
diff changeset
   611
        Arbitrary extra named arguments may be given, they will be included as
605f571198eb [web] ajax_replace_url superseed build_ajax_replace_url, more generic and relying on the json controller (closes #750090)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5685
diff changeset
   612
        parameters of the generated url.
1801
672acc730ce5 ajax_replace_url becomes obsolete, req.build_ajax_replace_url should be used instead
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1718
diff changeset
   613
        """
6564
ff9f7c566464 [request] fix ajax_replace_url which breaks if the url contains some quotes (that will be properly quoted but unquoted by the browser, breaking the js expression) by using a separated js function
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6543
diff changeset
   614
        # define a function in headers and use it in the link to avoid url
ff9f7c566464 [request] fix ajax_replace_url which breaks if the url contains some quotes (that will be properly quoted but unquoted by the browser, breaking the js expression) by using a separated js function
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6543
diff changeset
   615
        # unescaping pb: browsers give the js expression to the interpreter
ff9f7c566464 [request] fix ajax_replace_url which breaks if the url contains some quotes (that will be properly quoted but unquoted by the browser, breaking the js expression) by using a separated js function
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6543
diff changeset
   616
        # after having url unescaping the content. This may make appear some
ff9f7c566464 [request] fix ajax_replace_url which breaks if the url contains some quotes (that will be properly quoted but unquoted by the browser, breaking the js expression) by using a separated js function
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6543
diff changeset
   617
        # quote or other special characters that will break the js expression.
5713
605f571198eb [web] ajax_replace_url superseed build_ajax_replace_url, more generic and relying on the json controller (closes #750090)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5685
diff changeset
   618
        extraparams.setdefault('fname', 'view')
605f571198eb [web] ajax_replace_url superseed build_ajax_replace_url, more generic and relying on the json controller (closes #750090)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5685
diff changeset
   619
        url = self.build_url('json', **extraparams)
6564
ff9f7c566464 [request] fix ajax_replace_url which breaks if the url contains some quotes (that will be properly quoted but unquoted by the browser, breaking the js expression) by using a separated js function
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6543
diff changeset
   620
        cbname = build_cb_uid(url[:50])
ff9f7c566464 [request] fix ajax_replace_url which breaks if the url contains some quotes (that will be properly quoted but unquoted by the browser, breaking the js expression) by using a separated js function
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6543
diff changeset
   621
        jscode = 'function %s() { $("#%s").%s; }' % (
ff9f7c566464 [request] fix ajax_replace_url which breaks if the url contains some quotes (that will be properly quoted but unquoted by the browser, breaking the js expression) by using a separated js function
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6543
diff changeset
   622
            cbname, nodeid, js.loadxhtml(url, None, 'get', replacemode))
ff9f7c566464 [request] fix ajax_replace_url which breaks if the url contains some quotes (that will be properly quoted but unquoted by the browser, breaking the js expression) by using a separated js function
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6543
diff changeset
   623
        self.html_headers.add_post_inline_script(jscode)
ff9f7c566464 [request] fix ajax_replace_url which breaks if the url contains some quotes (that will be properly quoted but unquoted by the browser, breaking the js expression) by using a separated js function
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6543
diff changeset
   624
        return "javascript: %s()" % cbname
1801
672acc730ce5 ajax_replace_url becomes obsolete, req.build_ajax_replace_url should be used instead
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1718
diff changeset
   625
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   626
    # urls/path management ####################################################
1426
379261551578 remove trailing spaces
sylvain.thenault@logilab.fr
parents: 1421
diff changeset
   627
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   628
    def url(self, includeparams=True):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   629
        """return currently accessed url"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   630
        return self.base_url() + self.relative_path(includeparams)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   631
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   632
    def selected(self, url):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   633
        """return True if the url is equivalent to currently accessed url"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   634
        reqpath = self.relative_path().lower()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   635
        baselen = len(self.base_url())
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   636
        return (reqpath == url[baselen:].lower())
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   637
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   638
    def base_url_prepend_host(self, hostname):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   639
        protocol, roothost = urlsplit(self.base_url())[:2]
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   640
        if roothost.startswith('www.'):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   641
            roothost = roothost[4:]
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   642
        return '%s://%s.%s' % (protocol, hostname, roothost)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   643
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   644
    def base_url_path(self):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   645
        """returns the absolute path of the base url"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   646
        return urlsplit(self.base_url())[2]
1426
379261551578 remove trailing spaces
sylvain.thenault@logilab.fr
parents: 1421
diff changeset
   647
7070
5f8e52d722c5 [web] provide a data_url() method on req and get_rid of explicit datadir_url usage (#1438736)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 6581
diff changeset
   648
    def data_url(self, relpath):
5f8e52d722c5 [web] provide a data_url() method on req and get_rid of explicit datadir_url usage (#1438736)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 6581
diff changeset
   649
        """returns the absolute path for a data resouce"""
5f8e52d722c5 [web] provide a data_url() method on req and get_rid of explicit datadir_url usage (#1438736)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 6581
diff changeset
   650
        return self.datadir_url + relpath
5f8e52d722c5 [web] provide a data_url() method on req and get_rid of explicit datadir_url usage (#1438736)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 6581
diff changeset
   651
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   652
    @cached
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   653
    def from_controller(self):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   654
        """return the id (string) of the controller issuing the request"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   655
        controller = self.relative_path(False).split('/', 1)[0]
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
   656
        registered_controllers = self.vreg['controllers'].keys()
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   657
        if controller in registered_controllers:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   658
            return controller
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   659
        return 'view'
1426
379261551578 remove trailing spaces
sylvain.thenault@logilab.fr
parents: 1421
diff changeset
   660
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   661
    def validate_cache(self):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   662
        """raise a `DirectResponse` exception if a cached page along the way
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   663
        exists and is still usable.
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   664
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   665
        calls the client-dependant implementation of `_validate_cache`
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   666
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   667
        self._validate_cache()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   668
        if self.http_method() == 'HEAD':
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   669
            raise StatusResponse(200, '')
1426
379261551578 remove trailing spaces
sylvain.thenault@logilab.fr
parents: 1421
diff changeset
   670
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   671
    # abstract methods to override according to the web front-end #############
1426
379261551578 remove trailing spaces
sylvain.thenault@logilab.fr
parents: 1421
diff changeset
   672
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   673
    def http_method(self):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   674
        """returns 'POST', 'GET', 'HEAD', etc."""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   675
        raise NotImplementedError()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   676
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   677
    def _validate_cache(self):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   678
        """raise a `DirectResponse` exception if a cached page along the way
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   679
        exists and is still usable
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   680
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   681
        raise NotImplementedError()
1426
379261551578 remove trailing spaces
sylvain.thenault@logilab.fr
parents: 1421
diff changeset
   682
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   683
    def relative_path(self, includeparams=True):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   684
        """return the normalized path of the request (ie at least relative
2476
1294a6bdf3bf application -> instance where it makes sense
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2315
diff changeset
   685
        to the instance's root, but some other normalization may be needed
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   686
        so that the returned path may be used to compare to generated urls
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   687
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   688
        :param includeparams:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   689
           boolean indicating if GET form parameters should be kept in the path
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   690
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   691
        raise NotImplementedError()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   692
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   693
    def get_header(self, header, default=None):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   694
        """return the value associated with the given input HTTP header,
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   695
        raise KeyError if the header is not set
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   696
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   697
        raise NotImplementedError()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   698
5155
1dea6e0fdfc1 Switched from TwistedWeb2 to TwistedWeb
Adrien Chauve <adrien.chauve@logilab.fr>
parents: 4984
diff changeset
   699
    def set_header(self, header, value, raw=True):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   700
        """set an output HTTP header"""
5155
1dea6e0fdfc1 Switched from TwistedWeb2 to TwistedWeb
Adrien Chauve <adrien.chauve@logilab.fr>
parents: 4984
diff changeset
   701
        if raw:
1dea6e0fdfc1 Switched from TwistedWeb2 to TwistedWeb
Adrien Chauve <adrien.chauve@logilab.fr>
parents: 4984
diff changeset
   702
            # adding encoded header is important, else page content
1dea6e0fdfc1 Switched from TwistedWeb2 to TwistedWeb
Adrien Chauve <adrien.chauve@logilab.fr>
parents: 4984
diff changeset
   703
            # will be reconverted back to unicode and apart unefficiency, this
1dea6e0fdfc1 Switched from TwistedWeb2 to TwistedWeb
Adrien Chauve <adrien.chauve@logilab.fr>
parents: 4984
diff changeset
   704
            # may cause decoding problem (e.g. when downloading a file)
1dea6e0fdfc1 Switched from TwistedWeb2 to TwistedWeb
Adrien Chauve <adrien.chauve@logilab.fr>
parents: 4984
diff changeset
   705
            self.headers_out.setRawHeaders(header, [str(value)])
1dea6e0fdfc1 Switched from TwistedWeb2 to TwistedWeb
Adrien Chauve <adrien.chauve@logilab.fr>
parents: 4984
diff changeset
   706
        else:
1dea6e0fdfc1 Switched from TwistedWeb2 to TwistedWeb
Adrien Chauve <adrien.chauve@logilab.fr>
parents: 4984
diff changeset
   707
            self.headers_out.setHeader(header, value)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   708
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   709
    def add_header(self, header, value):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   710
        """add an output HTTP header"""
5155
1dea6e0fdfc1 Switched from TwistedWeb2 to TwistedWeb
Adrien Chauve <adrien.chauve@logilab.fr>
parents: 4984
diff changeset
   711
        # adding encoded header is important, else page content
1dea6e0fdfc1 Switched from TwistedWeb2 to TwistedWeb
Adrien Chauve <adrien.chauve@logilab.fr>
parents: 4984
diff changeset
   712
        # will be reconverted back to unicode and apart unefficiency, this
1dea6e0fdfc1 Switched from TwistedWeb2 to TwistedWeb
Adrien Chauve <adrien.chauve@logilab.fr>
parents: 4984
diff changeset
   713
        # may cause decoding problem (e.g. when downloading a file)
1dea6e0fdfc1 Switched from TwistedWeb2 to TwistedWeb
Adrien Chauve <adrien.chauve@logilab.fr>
parents: 4984
diff changeset
   714
        self.headers_out.addRawHeader(header, str(value))
1426
379261551578 remove trailing spaces
sylvain.thenault@logilab.fr
parents: 1421
diff changeset
   715
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   716
    def remove_header(self, header):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   717
        """remove an output HTTP header"""
5155
1dea6e0fdfc1 Switched from TwistedWeb2 to TwistedWeb
Adrien Chauve <adrien.chauve@logilab.fr>
parents: 4984
diff changeset
   718
        self.headers_out.removeHeader(header)
1426
379261551578 remove trailing spaces
sylvain.thenault@logilab.fr
parents: 1421
diff changeset
   719
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   720
    def header_authorization(self):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   721
        """returns a couple (auth-type, auth-value)"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   722
        auth = self.get_header("Authorization", None)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   723
        if auth:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   724
            scheme, rest = auth.split(' ', 1)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   725
            scheme = scheme.lower()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   726
            try:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   727
                assert scheme == "basic"
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   728
                user, passwd = base64.decodestring(rest).split(":", 1)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   729
                # XXX HTTP header encoding: use email.Header?
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   730
                return user.decode('UTF8'), passwd
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   731
            except Exception, ex:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   732
                self.debug('bad authorization %s (%s: %s)',
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   733
                           auth, ex.__class__.__name__, ex)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   734
        return None, None
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   735
1716
b12d9e22bac3 basic support for http Accept header (untested)
sylvain.thenault@logilab.fr
parents: 1560
diff changeset
   736
    def parse_accept_header(self, header):
7164
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   737
        """returns an ordered list of accepted values"""
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   738
        try:
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   739
            value_parser, value_sort_key = ACCEPT_HEADER_PARSER[header.lower()]
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   740
        except KeyError:
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   741
            value_parser = value_sort_key = None
1716
b12d9e22bac3 basic support for http Accept header (untested)
sylvain.thenault@logilab.fr
parents: 1560
diff changeset
   742
        accepteds = self.get_header(header, '')
7164
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   743
        values = _parse_accept_header(accepteds, value_parser, value_sort_key)
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   744
        return (raw_value for (raw_value, parsed_value, score) in values)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   745
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   746
    def header_if_modified_since(self):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   747
        """If the HTTP header If-modified-since is set, return the equivalent
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   748
        mx date time value (GMT), else return None
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   749
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   750
        raise NotImplementedError()
1426
379261551578 remove trailing spaces
sylvain.thenault@logilab.fr
parents: 1421
diff changeset
   751
3094
978ed8c2c0e4 [googlemap] #344872 set request content-type to text/html
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2650
diff changeset
   752
    def demote_to_html(self):
978ed8c2c0e4 [googlemap] #344872 set request content-type to text/html
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2650
diff changeset
   753
        """helper method to dynamically set request content type to text/html
978ed8c2c0e4 [googlemap] #344872 set request content-type to text/html
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2650
diff changeset
   754
978ed8c2c0e4 [googlemap] #344872 set request content-type to text/html
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2650
diff changeset
   755
        The global doctype and xmldec must also be changed otherwise the browser
978ed8c2c0e4 [googlemap] #344872 set request content-type to text/html
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2650
diff changeset
   756
        will display '<[' at the beginning of the page
978ed8c2c0e4 [googlemap] #344872 set request content-type to text/html
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2650
diff changeset
   757
        """
978ed8c2c0e4 [googlemap] #344872 set request content-type to text/html
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2650
diff changeset
   758
        self.set_content_type('text/html')
978ed8c2c0e4 [googlemap] #344872 set request content-type to text/html
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2650
diff changeset
   759
        self.main_stream.doctype = TRANSITIONAL_DOCTYPE_NOEXT
978ed8c2c0e4 [googlemap] #344872 set request content-type to text/html
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2650
diff changeset
   760
        self.main_stream.xmldecl = u''
978ed8c2c0e4 [googlemap] #344872 set request content-type to text/html
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2650
diff changeset
   761
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   762
    # page data management ####################################################
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   763
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   764
    def get_page_data(self, key, default=None):
5683
ca2badf54858 [request] fix typo
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5505
diff changeset
   765
        """return value associated to `key` in current page data"""
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: 5155
diff changeset
   766
        page_data = self.session.data.get(self.pageid)
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: 5155
diff changeset
   767
        if page_data is None:
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: 5155
diff changeset
   768
            return default
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   769
        return page_data.get(key, default)
1426
379261551578 remove trailing spaces
sylvain.thenault@logilab.fr
parents: 1421
diff changeset
   770
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   771
    def set_page_data(self, key, value):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   772
        """set value associated to `key` in current page data"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   773
        self.html_headers.add_unload_pagedata()
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: 5155
diff changeset
   774
        page_data = self.session.data.setdefault(self.pageid, {})
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   775
        page_data[key] = value
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: 5155
diff changeset
   776
        self.session.data[self.pageid] = page_data
1426
379261551578 remove trailing spaces
sylvain.thenault@logilab.fr
parents: 1421
diff changeset
   777
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   778
    def del_page_data(self, key=None):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   779
        """remove value associated to `key` in current page data
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   780
        if `key` is None, all page data will be cleared
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   781
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   782
        if key is None:
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: 5155
diff changeset
   783
            self.session.data.pop(self.pageid, None)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   784
        else:
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: 5155
diff changeset
   785
            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: 5155
diff changeset
   786
                del self.session.data[self.pageid][key]
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: 5155
diff changeset
   787
            except KeyError:
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: 5155
diff changeset
   788
                pass
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   789
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   790
    # user-agent detection ####################################################
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   791
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   792
    @cached
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   793
    def useragent(self):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   794
        return self.get_header('User-Agent', None)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   795
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   796
    def ie_browser(self):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   797
        useragent = self.useragent()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   798
        return useragent and 'MSIE' in useragent
1426
379261551578 remove trailing spaces
sylvain.thenault@logilab.fr
parents: 1421
diff changeset
   799
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   800
    def xhtml_browser(self):
2558
81c8b5312f9c move test on force-html-content-type to xhtml_browser method
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2556
diff changeset
   801
        """return True if the browser is considered as xhtml compatible.
81c8b5312f9c move test on force-html-content-type to xhtml_browser method
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2556
diff changeset
   802
81c8b5312f9c move test on force-html-content-type to xhtml_browser method
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2556
diff changeset
   803
        If the instance is configured to always return text/html and not
81c8b5312f9c move test on force-html-content-type to xhtml_browser method
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2556
diff changeset
   804
        application/xhtml+xml, this method will always return False, even though
81c8b5312f9c move test on force-html-content-type to xhtml_browser method
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2556
diff changeset
   805
        this is semantically different
81c8b5312f9c move test on force-html-content-type to xhtml_browser method
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2556
diff changeset
   806
        """
81c8b5312f9c move test on force-html-content-type to xhtml_browser method
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2556
diff changeset
   807
        if self.vreg.config['force-html-content-type']:
81c8b5312f9c move test on force-html-content-type to xhtml_browser method
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2556
diff changeset
   808
            return False
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   809
        useragent = self.useragent()
1421
77ee26df178f doc type handling refactoring: do the ext substitution at the module level
sylvain.thenault@logilab.fr
parents: 1173
diff changeset
   810
        # * MSIE/Konqueror does not support xml content-type
77ee26df178f doc type handling refactoring: do the ext substitution at the module level
sylvain.thenault@logilab.fr
parents: 1173
diff changeset
   811
        # * Opera supports xhtml and handles namespaces properly but it breaks
77ee26df178f doc type handling refactoring: do the ext substitution at the module level
sylvain.thenault@logilab.fr
parents: 1173
diff changeset
   812
        #   jQuery.attr()
495
f8b1edfe9621 [#80966] Opera supports xhtml and handles namespaces properly but it breaks jQuery.attr(), so xhtml_browser return False if the webbrowser is opera
Stephanie Marcu <stephanie.marcu@logilab.fr>
parents: 0
diff changeset
   813
        if useragent and ('MSIE' in useragent or 'KHTML' in useragent
f8b1edfe9621 [#80966] Opera supports xhtml and handles namespaces properly but it breaks jQuery.attr(), so xhtml_browser return False if the webbrowser is opera
Stephanie Marcu <stephanie.marcu@logilab.fr>
parents: 0
diff changeset
   814
                          or 'Opera' in useragent):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   815
            return False
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   816
        return True
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   817
1421
77ee26df178f doc type handling refactoring: do the ext substitution at the module level
sylvain.thenault@logilab.fr
parents: 1173
diff changeset
   818
    def html_content_type(self):
2558
81c8b5312f9c move test on force-html-content-type to xhtml_browser method
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2556
diff changeset
   819
        if self.xhtml_browser():
1421
77ee26df178f doc type handling refactoring: do the ext substitution at the module level
sylvain.thenault@logilab.fr
parents: 1173
diff changeset
   820
            return 'application/xhtml+xml'
77ee26df178f doc type handling refactoring: do the ext substitution at the module level
sylvain.thenault@logilab.fr
parents: 1173
diff changeset
   821
        return 'text/html'
77ee26df178f doc type handling refactoring: do the ext substitution at the module level
sylvain.thenault@logilab.fr
parents: 1173
diff changeset
   822
2559
46859078c866 [R xhtml] remove xhtml_wrap* function, use instead a single req.document_surrounding_div method
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2558
diff changeset
   823
    def document_surrounding_div(self):
46859078c866 [R xhtml] remove xhtml_wrap* function, use instead a single req.document_surrounding_div method
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2558
diff changeset
   824
        if self.xhtml_browser():
4454
aba1b563705b [request] add a note about the encoding mgmt (or lack thereof)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 4212
diff changeset
   825
            return (u'<?xml version="1.0"?>\n' + STRICT_DOCTYPE + # XXX encoding ?
2559
46859078c866 [R xhtml] remove xhtml_wrap* function, use instead a single req.document_surrounding_div method
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2558
diff changeset
   826
                    u'<div xmlns="http://www.w3.org/1999/xhtml" xmlns:cubicweb="http://www.logilab.org/2008/cubicweb">')
46859078c866 [R xhtml] remove xhtml_wrap* function, use instead a single req.document_surrounding_div method
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2558
diff changeset
   827
        return u'<div>'
46859078c866 [R xhtml] remove xhtml_wrap* function, use instead a single req.document_surrounding_div method
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2558
diff changeset
   828
5467
57372dbfd114 [https] fix resource urls in https version of a site: should use the https version as well to avoid warnings from the nrowser
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5444
diff changeset
   829
    @deprecated('[3.9] use req.uiprops[rid]')
5444
f7fdb5dd82f6 [webconfig] introduce property sheets. Use them to replace external_resources
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5426
diff changeset
   830
    def external_resource(self, rid, default=_MARKER):
f7fdb5dd82f6 [webconfig] introduce property sheets. Use them to replace external_resources
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5426
diff changeset
   831
        """return a path to an external resource, using its identifier
f7fdb5dd82f6 [webconfig] introduce property sheets. Use them to replace external_resources
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5426
diff changeset
   832
f7fdb5dd82f6 [webconfig] introduce property sheets. Use them to replace external_resources
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5426
diff changeset
   833
        raise `KeyError` if the resource is not defined
f7fdb5dd82f6 [webconfig] introduce property sheets. Use them to replace external_resources
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5426
diff changeset
   834
        """
f7fdb5dd82f6 [webconfig] introduce property sheets. Use them to replace external_resources
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5426
diff changeset
   835
        try:
5467
57372dbfd114 [https] fix resource urls in https version of a site: should use the https version as well to avoid warnings from the nrowser
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5444
diff changeset
   836
            return self.uiprops[rid]
5444
f7fdb5dd82f6 [webconfig] introduce property sheets. Use them to replace external_resources
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5426
diff changeset
   837
        except KeyError:
f7fdb5dd82f6 [webconfig] introduce property sheets. Use them to replace external_resources
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5426
diff changeset
   838
            if default is _MARKER:
f7fdb5dd82f6 [webconfig] introduce property sheets. Use them to replace external_resources
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5426
diff changeset
   839
                raise
f7fdb5dd82f6 [webconfig] introduce property sheets. Use them to replace external_resources
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5426
diff changeset
   840
            return default
f7fdb5dd82f6 [webconfig] introduce property sheets. Use them to replace external_resources
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5426
diff changeset
   841
f7fdb5dd82f6 [webconfig] introduce property sheets. Use them to replace external_resources
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5426
diff changeset
   842
    @deprecated("[3.4] use parse_accept_header('Accept-Language')")
f7fdb5dd82f6 [webconfig] introduce property sheets. Use them to replace external_resources
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5426
diff changeset
   843
    def header_accept_language(self):
f7fdb5dd82f6 [webconfig] introduce property sheets. Use them to replace external_resources
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5426
diff changeset
   844
        """returns an ordered list of preferred languages"""
f7fdb5dd82f6 [webconfig] introduce property sheets. Use them to replace external_resources
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5426
diff changeset
   845
        return [value.split('-')[0] for value in
f7fdb5dd82f6 [webconfig] introduce property sheets. Use them to replace external_resources
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5426
diff changeset
   846
                self.parse_accept_header('Accept-Language')]
f7fdb5dd82f6 [webconfig] introduce property sheets. Use them to replace external_resources
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5426
diff changeset
   847
f7fdb5dd82f6 [webconfig] introduce property sheets. Use them to replace external_resources
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5426
diff changeset
   848
7164
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   849
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   850
## HTTP-accept parsers / utilies ##############################################
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   851
def _mimetype_sort_key(accept_info):
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   852
    """accepted mimetypes must be sorted by :
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   853
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   854
    1/ highest score first
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   855
    2/ most specific mimetype first, e.g. :
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   856
       - 'text/html level=1' is more specific 'text/html'
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   857
       - 'text/html' is more specific than 'text/*'
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   858
       - 'text/*' itself more specific than '*/*'
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   859
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   860
    """
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   861
    raw_value, (media_type, media_subtype, media_type_params), score = accept_info
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   862
    # FIXME: handle '+' in media_subtype ? (should xhtml+xml have a
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   863
    # higher precedence than xml ?)
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   864
    if media_subtype == '*':
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   865
        score -= 0.0001
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   866
    if media_type == '*':
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   867
        score -= 0.0001
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   868
    return 1./score, media_type, media_subtype, 1./(1+len(media_type_params))
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   869
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   870
def _charset_sort_key(accept_info):
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   871
    """accepted mimetypes must be sorted by :
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   872
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   873
    1/ highest score first
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   874
    2/ most specific charset first, e.g. :
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   875
       - 'utf-8' is more specific than '*'
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   876
    """
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   877
    raw_value, value, score = accept_info
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   878
    if value == '*':
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   879
        score -= 0.0001
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   880
    return 1./score, value
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   881
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   882
def _parse_accept_header(raw_header, value_parser=None, value_sort_key=None):
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   883
    """returns an ordered list accepted types
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   884
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   885
    returned value is a list of 2-tuple (value, score), ordered
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   886
    by score. Exact type of `value` will depend on what `value_parser`
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   887
    will reutrn. if `value_parser` is None, then the raw value, as found
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   888
    in the http header, is used.
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   889
    """
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   890
    if value_sort_key is None:
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   891
        value_sort_key = lambda infos: 1./infos[-1]
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   892
    values = []
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   893
    for info in raw_header.split(','):
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   894
        score = 1.0
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   895
        other_params = {}
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   896
        try:
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   897
            value, infodef = info.split(';', 1)
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   898
        except ValueError:
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   899
            value = info
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   900
        else:
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   901
            for info in infodef.split(';'):
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   902
                try:
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   903
                    infokey, infoval = info.split('=')
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   904
                    if infokey == 'q': # XXX 'level'
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   905
                        score = float(infoval)
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   906
                        continue
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   907
                except ValueError:
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   908
                    continue
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   909
                other_params[infokey] = infoval
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   910
        parsed_value = value_parser(value, other_params) if value_parser else value
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   911
        values.append( (value.strip(), parsed_value, score) )
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   912
    values.sort(key=value_sort_key)
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   913
    return values
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   914
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   915
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   916
def _mimetype_parser(value, other_params):
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   917
    """return a 3-tuple
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   918
    (type, subtype, type_params) corresponding to the mimetype definition
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   919
    e.g. : for 'text/*', `mimetypeinfo` will be ('text', '*', {}), for
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   920
    'text/html;level=1', `mimetypeinfo` will be ('text', '*', {'level': '1'})
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   921
    """
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   922
    try:
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   923
        media_type, media_subtype = value.strip().split('/')
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   924
    except ValueError: # safety belt : '/' should always be present
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   925
        media_type = value.strip()
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   926
        media_subtype = '*'
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   927
    return (media_type, media_subtype, other_params)
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   928
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   929
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   930
ACCEPT_HEADER_PARSER = {
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   931
    'accept': (_mimetype_parser, _mimetype_sort_key),
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   932
    'accept-charset': (None, _charset_sort_key),
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   933
    }
93a19c1831aa [http] implement 1587305: provide better implementation of Accept header parsing + tests
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7070
diff changeset
   934
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   935
from cubicweb import set_log_methods
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   936
set_log_methods(CubicWebRequestBase, LOGGER)