[web/config] refactor initialization of the data url
Common logic have been moved in a dedicated `data_relpath` function.
# copyright 2003-2011 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
#
# This file is part of CubicWeb.
#
# CubicWeb is free software: you can redistribute it and/or modify it under the
# terms of the GNU Lesser General Public License as published by the Free
# Software Foundation, either version 2.1 of the License, or (at your option)
# any later version.
#
# CubicWeb is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
# details.
#
# You should have received a copy of the GNU Lesser General Public License along
# with CubicWeb. If not, see <http://www.gnu.org/licenses/>.
"""web ui configuration for cubicweb instances"""
__docformat__ = "restructuredtext en"
_ = unicode
import os
from os.path import join, exists, split
from warnings import warn
from logilab.common.decorators import cached
from logilab.common.deprecation import deprecated
from cubicweb import ConfigurationError
from cubicweb.toolsutils import read_config
from cubicweb.cwconfig import CubicWebConfiguration, register_persistent_options, merge_options
register_persistent_options( (
# site-wide only web ui configuration
('site-title',
{'type' : 'string', 'default': 'unset title',
'help': _('site title'),
'sitewide': True, 'group': 'ui',
}),
('main-template',
{'type' : 'string', 'default': 'main-template',
'help': _('id of main template used to render pages'),
'sitewide': True, 'group': 'ui',
}),
# user web ui configuration
('fckeditor',
{'type' : 'yn', 'default': True,
'help': _('should html fields being edited using fckeditor (a HTML '
'WYSIWYG editor). You should also select text/html as default '
'text format to actually get fckeditor.'),
'group': 'ui',
}),
# navigation configuration
('page-size',
{'type' : 'int', 'default': 40,
'help': _('maximum number of objects displayed by page of results'),
'group': 'navigation',
}),
('related-limit',
{'type' : 'int', 'default': 8,
'help': _('maximum number of related entities to display in the primary '
'view'),
'group': 'navigation',
}),
('combobox-limit',
{'type' : 'int', 'default': 20,
'help': _('maximum number of entities to display in related combo box'),
'group': 'navigation',
}),
))
class WebConfiguration(CubicWebConfiguration):
"""the WebConfiguration is a singleton object handling instance's
configuration and preferences
"""
cubicweb_appobject_path = CubicWebConfiguration.cubicweb_appobject_path | set([join('web', 'views')])
cube_appobject_path = CubicWebConfiguration.cube_appobject_path | set(['views'])
uiprops = {'FCKEDITOR_PATH': ''}
options = merge_options(CubicWebConfiguration.options + (
('anonymous-user',
{'type' : 'string',
'default': None,
'help': 'login of the CubicWeb user account to use for anonymous user (if you want to allow anonymous)',
'group': 'web', 'level': 1,
}),
('anonymous-password',
{'type' : 'string',
'default': None,
'help': 'password of the CubicWeb user account to use for anonymous user, '
'if anonymous-user is set',
'group': 'web', 'level': 1,
}),
('query-log-file',
{'type' : 'string',
'default': None,
'help': 'web instance query log file',
'group': 'web', 'level': 3,
}),
# web configuration
('https-url',
{'type' : 'string',
'default': None,
'help': 'web server root url on https. By specifying this option your '\
'site can be available as an http and https site. Authenticated users '\
'will in this case be authenticated and once done navigate through the '\
'https site. IMPORTANTE NOTE: to do this work, you should have your '\
'apache redirection include "https" as base url path so cubicweb can '\
'differentiate between http vs https access. For instance: \n'\
'RewriteRule ^/demo/(.*) http://127.0.0.1:8080/https/$1 [L,P]\n'\
'where the cubicweb web server is listening on port 8080.',
'group': 'main', 'level': 3,
}),
('https-deny-anonymous',
{'type': 'yn',
'default': False,
'help': 'Prevent anonymous user to browse thought https version of '
'the site (https-url). Login form will then be displayed '
'until logged',
'group': 'web',
'level': 2
}
),
('auth-mode',
{'type' : 'choice',
'choices' : ('cookie', 'http'),
'default': 'cookie',
'help': 'authentication mode (cookie / http)',
'group': 'web', 'level': 3,
}),
('realm',
{'type' : 'string',
'default': 'cubicweb',
'help': 'realm to use on HTTP authentication mode',
'group': 'web', 'level': 3,
}),
('http-session-time',
{'type' : 'time',
'default': 0,
'help': "duration of the cookie used to store session identifier. "
"If 0, the cookie will expire when the user exist its browser. "
"Should be 0 or greater than repository\'s session-time.",
'group': 'web', 'level': 2,
}),
('cleanup-anonymous-session-time',
{'type' : 'time',
'default': '5min',
'help': 'Same as cleanup-session-time but specific to anonymous '
'sessions. You can have a much smaller timeout here since it will be '
'transparent to the user. Default to 5min.',
'group': 'web', 'level': 3,
}),
('force-html-content-type',
{'type' : 'yn',
'default': False,
'help': 'force text/html content type for your html pages instead of cubicweb user-agent based'\
'deduction of an appropriate content type',
'group': 'web', 'level': 3,
}),
('embed-allowed',
{'type' : 'regexp',
'default': None,
'help': 'regular expression matching URLs that may be embeded. \
leave it blank if you don\'t want the embedding feature, or set it to ".*" \
if you want to allow everything',
'group': 'web', 'level': 3,
}),
('submit-mail',
{'type' : 'string',
'default': None,
'help': ('Mail used as recipient to report bug in this instance, '
'if you want this feature on'),
'group': 'web', 'level': 2,
}),
('language-negociation',
{'type' : 'yn',
'default': True,
'help': 'use Accept-Language http header to try to set user '\
'interface\'s language according to browser defined preferences',
'group': 'web', 'level': 2,
}),
('print-traceback',
{'type' : 'yn',
'default': CubicWebConfiguration.mode != 'system',
'help': 'print the traceback on the error page when an error occurred',
'group': 'web', 'level': 2,
}),
('captcha-font-file',
{'type' : 'string',
'default': join(CubicWebConfiguration.shared_dir(), 'data', 'porkys.ttf'),
'help': 'True type font to use for captcha image generation (you \
must have the python imaging library installed to use captcha)',
'group': 'web', 'level': 3,
}),
('captcha-font-size',
{'type' : 'int',
'default': 25,
'help': 'Font size to use for captcha image generation (you must \
have the python imaging library installed to use captcha)',
'group': 'web', 'level': 3,
}),
('use-old-css',
{'type' : 'yn',
'default': True,
'help': 'use cubicweb.old.css instead of 3.9 cubicweb.css',
'group': 'web', 'level': 2,
}),
('concat-resources',
{'type' : 'yn',
'default': True,
'help': 'use modconcat-like URLS to concat and serve JS / CSS files',
'group': 'web', 'level': 2,
}),
))
def fckeditor_installed(self):
return exists(self.uiprops['FCKEDITOR_PATH'])
def cwproperty_definitions(self):
for key, pdef in super(WebConfiguration, self).cwproperty_definitions():
if key == 'ui.fckeditor' and not self.fckeditor_installed():
continue
yield key, pdef
# method used to connect to the repository: 'inmemory' / 'pyro'
# Pyro repository by default
repo_method = 'pyro'
# don't use @cached: we want to be able to disable it while this must still
# be cached
def repository(self, vreg=None):
"""return the instance's repository object"""
try:
return self.__repo
except AttributeError:
from cubicweb.dbapi import get_repository
repo = get_repository(self.repo_method, vreg=vreg, config=self)
self.__repo = repo
return repo
def vc_config(self):
return self.repository().get_versions()
def anonymous_user(self):
"""return a login and password to use for anonymous users.
None may be returned for both if anonymous connection is not
allowed or if an empty login is used in configuration
"""
try:
user = self['anonymous-user'] or None
passwd = self['anonymous-password']
if user:
user = unicode(user)
except KeyError:
user, passwd = None, None
except UnicodeDecodeError:
raise ConfigurationError("anonymous information should only contains ascii")
return user, passwd
def locate_resource(self, rid):
"""return the (directory, filename) where the given resource
may be found
"""
return self._fs_locate(rid, 'data')
def locate_doc_file(self, fname):
"""return the directory where the given resource may be found"""
return self._fs_locate(fname, 'wdoc')[0]
@cached
def _fs_path_locate(self, rid, rdirectory):
"""return the directory where the given resource may be found"""
path = [self.apphome] + self.cubes_path() + [join(self.shared_dir())]
for directory in path:
if exists(join(directory, rdirectory, rid)):
return directory
def _fs_locate(self, rid, rdirectory):
"""return the (directory, filename) where the given resource
may be found
"""
directory = self._fs_path_locate(rid, rdirectory)
if directory is None:
return None, None
if rdirectory == 'data' and rid.endswith('.css'):
if self['use-old-css'] and rid == 'cubicweb.css':
# @import('cubicweb.css') in css
rid = 'cubicweb.old.css'
return self.uiprops.process_resource(join(directory, rdirectory), rid), rid
return join(directory, rdirectory), rid
def locate_all_files(self, rid, rdirectory='wdoc'):
"""return all files corresponding to the given resource"""
path = [self.apphome] + self.cubes_path() + [join(self.shared_dir())]
for directory in path:
fpath = join(directory, rdirectory, rid)
if exists(fpath):
yield join(fpath)
def load_configuration(self):
"""load instance's configuration files"""
super(WebConfiguration, self).load_configuration()
# load external resources definition
self._init_base_url()
self._build_ui_properties()
def _init_base_url(self):
# normalize base url(s)
baseurl = self['base-url'] or self.default_base_url()
if baseurl and baseurl[-1] != '/':
baseurl += '/'
if not (self.repairing or self.creating):
self.global_set_option('base-url', baseurl)
httpsurl = self['https-url']
data_relpath = self.data_relpath()
if httpsurl:
if httpsurl[-1] != '/':
httpsurl += '/'
if not self.repairing:
self.global_set_option('https-url', httpsurl)
self.https_datadir_url = httpsurl + data_relpath
self.datadir_url = baseurl + data_relpath
def data_relpath(self):
if (self.debugmode or self.mode == 'test'):
return 'data/'
else:
return 'data/%s/' % self.instance_md5_version()
def _build_ui_properties(self):
# self.datadir_url[:-1] to remove trailing /
from cubicweb.web.propertysheet import PropertySheet
cachedir = join(self.appdatahome, 'uicache')
self.check_writeable_uid_directory(cachedir)
self.uiprops = PropertySheet(
cachedir,
data=lambda x: self.datadir_url + x,
datadir_url=self.datadir_url[:-1])
self._init_uiprops(self.uiprops)
if self['https-url']:
cachedir = join(self.appdatahome, 'uicachehttps')
self.check_writeable_uid_directory(cachedir)
self.https_uiprops = PropertySheet(
cachedir,
data=lambda x: self.https_datadir_url + x,
datadir_url=self.https_datadir_url[:-1])
self._init_uiprops(self.https_uiprops)
def _init_uiprops(self, uiprops):
libuiprops = join(self.shared_dir(), 'data', 'uiprops.py')
uiprops.load(libuiprops)
for path in reversed([self.apphome] + self.cubes_path()):
self._load_ui_properties_file(uiprops, path)
self._load_ui_properties_file(uiprops, self.apphome)
datadir_url = uiprops.context['datadir_url']
# XXX pre 3.9 css compat
if self['use-old-css']:
if (datadir_url+'/cubicweb.css') in uiprops['STYLESHEETS']:
idx = uiprops['STYLESHEETS'].index(datadir_url+'/cubicweb.css')
uiprops['STYLESHEETS'][idx] = datadir_url+'/cubicweb.old.css'
if datadir_url+'/cubicweb.reset.css' in uiprops['STYLESHEETS']:
uiprops['STYLESHEETS'].remove(datadir_url+'/cubicweb.reset.css')
cubicweb_js_url = datadir_url + '/cubicweb.js'
if cubicweb_js_url not in uiprops['JAVASCRIPTS']:
uiprops['JAVASCRIPTS'].insert(0, cubicweb_js_url)
def _load_ui_properties_file(self, uiprops, path):
resourcesfile = join(path, 'data', 'external_resources')
if exists(resourcesfile):
warn('[3.9] %s file is deprecated, use an uiprops.py file'
% resourcesfile, DeprecationWarning)
datadir_url = uiprops.context['datadir_url']
for rid, val in read_config(resourcesfile).iteritems():
if rid in ('STYLESHEETS', 'STYLESHEETS_PRINT',
'IE_STYLESHEETS', 'JAVASCRIPTS'):
val = [w.strip().replace('DATADIR', datadir_url)
for w in val.split(',') if w.strip()]
if rid == 'IE_STYLESHEETS':
rid = 'STYLESHEETS_IE'
else:
val = val.strip().replace('DATADIR', datadir_url)
uiprops[rid] = val
uipropsfile = join(path, 'uiprops.py')
if exists(uipropsfile):
self.debug('loading %s', uipropsfile)
uiprops.load(uipropsfile)
# static files handling ###################################################
@property
def static_directory(self):
return join(self.appdatahome, 'static')
def static_file_exists(self, rpath):
return exists(join(self.static_directory, rpath))
def static_file_open(self, rpath, mode='wb'):
staticdir = self.static_directory
rdir, filename = split(rpath)
if rdir:
staticdir = join(staticdir, rdir)
os.makedirs(staticdir)
return file(join(staticdir, filename), mode)
def static_file_add(self, rpath, data):
stream = self.static_file_open(rpath)
stream.write(data)
stream.close()
def static_file_del(self, rpath):
if self.static_file_exists(rpath):
os.remove(join(self.static_directory, rpath))
@deprecated('[3.9] use _cw.uiprops.get(rid)')
def has_resource(self, rid):
"""return true if an external resource is defined"""
return bool(self.uiprops.get(rid))