"""security management and error screens
:organization: Logilab
:copyright: 2001-2010 LOGILAB S.A. (Paris, FRANCE), license is LGPL v2.
:contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr
:license: GNU Lesser General Public License, v2.1 - http://www.gnu.org/licenses
"""
__docformat__ = "restructuredtext en"
_ = unicode
from logilab.mtconverter import xml_escape
from cubicweb.selectors import yes, none_rset, match_user_groups, authenticated_user
from cubicweb.view import AnyRsetView, StartupView, EntityView, View
from cubicweb.uilib import html_traceback, rest_traceback
from cubicweb.web import formwidgets as wdgs
from cubicweb.web.formfields import guess_field
SUBMIT_MSGID = _('Submit bug report')
MAIL_SUBMIT_MSGID = _('Submit bug report by mail')
class SecurityViewMixIn(object):
"""display security information for a given schema """
def schema_definition(self, eschema, link=True, access_types=None):
w = self.w
_ = self._cw._
if not access_types:
access_types = eschema.ACTIONS
w(u'<table class="schemaInfo">')
w(u'<tr><th>%s</th><th>%s</th><th>%s</th></tr>' % (
_("permission"), _('granted to groups'), _('rql expressions')))
for access_type in access_types:
w(u'<tr>')
w(u'<td>%s</td>' % self._cw.__('%s_perm' % access_type))
groups = eschema.get_groups(access_type)
l = []
groups = [(_(group), group) for group in groups]
for trad, group in sorted(groups):
if link:
# XXX we should get a group entity and call its absolute_url
# method
l.append(u'<a href="%s" class="%s">%s</a><br/>' % (
self._cw.build_url('cwgroup/%s' % group), group, trad))
else:
l.append(u'<div class="%s">%s</div>' % (group, trad))
w(u'<td>%s</td>' % u''.join(l))
rqlexprs = eschema.get_rqlexprs(access_type)
w(u'<td>%s</td>' % u'<br/><br/>'.join(expr.expression for expr in rqlexprs))
w(u'</tr>\n')
w(u'</table>')
def has_schema_modified_permissions(self, eschema, access_types):
""" return True if eschema's actual permissions are diffrents
from the default ones
"""
for access_type in access_types:
if eschema.get_rqlexprs(access_type):
return True
if eschema.get_groups(access_type) != \
frozenset(eschema.get_default_groups()[access_type]):
return True
return False
class SecurityManagementView(EntityView, SecurityViewMixIn):
"""display security information for a given entity"""
__regid__ = 'security'
__select__ = EntityView.__select__ & authenticated_user()
title = _('security')
def call(self):
self.w(u'<div id="progress">%s</div>' % self._cw._('validating...'))
super(SecurityManagementView, self).call()
def cell_call(self, row, col):
self._cw.add_js('cubicweb.edition.js')
self._cw.add_css('cubicweb.acl.css')
entity = self.cw_rset.get_entity(row, col)
w = self.w
_ = self._cw._
w(u'<h1><span class="etype">%s</span> <a href="%s">%s</a></h1>'
% (entity.dc_type().capitalize(),
xml_escape(entity.absolute_url()),
xml_escape(entity.dc_title())))
# first show permissions defined by the schema
self.w('<h2>%s</h2>' % _('schema\'s permissions definitions'))
self.schema_definition(entity.e_schema)
self.w('<h2>%s</h2>' % _('manage security'))
# ownership information
if self._cw.vreg.schema.rschema('owned_by').has_perm(self._cw, 'add',
fromeid=entity.eid):
self.owned_by_edit_form(entity)
else:
self.owned_by_information(entity)
# cwpermissions
if 'require_permission' in entity.e_schema.subject_relations():
w('<h3>%s</h3>' % _('permissions for this entity'))
reqpermschema = self._cw.vreg.schema.rschema('require_permission')
self.require_permission_information(entity, reqpermschema)
if reqpermschema.has_perm(self._cw, 'add', fromeid=entity.eid):
self.require_permission_edit_form(entity)
def owned_by_edit_form(self, entity):
self.w('<h3>%s</h3>' % self._cw._('ownership'))
msg = self._cw._('ownerships have been changed')
form = self._cw.vreg['forms'].select('base', self._cw, entity=entity,
form_renderer_id='base', submitmsg=msg,
form_buttons=[wdgs.SubmitButton()],
domid='ownership%s' % entity.eid,
__redirectvid='security',
__redirectpath=entity.rest_path())
field = guess_field(entity.e_schema, self._cw.vreg.schema.rschema('owned_by'))
form.append_field(field)
self.w(form.render(display_progress_div=False))
def owned_by_information(self, entity):
ownersrset = entity.related('owned_by')
if ownersrset:
self.w('<h3>%s</h3>' % self._cw._('ownership'))
self.w(u'<div class="ownerInfo">')
self.w(self._cw._('this entity is currently owned by') + ' ')
self.wview('csv', entity.related('owned_by'), 'null')
self.w(u'</div>')
# else we don't know if this is because entity has no owner or becayse
# user as no access to owner users entities
def require_permission_information(self, entity, reqpermschema):
if entity.require_permission:
w = self.w
_ = self._cw._
if reqpermschema.has_perm(self._cw, 'delete', fromeid=entity.eid):
delurl = self._cw.build_url('edit', __redirectvid='security',
__redirectpath=entity.rest_path())
delurl = delurl.replace('%', '%%')
# don't give __delete value to build_url else it will be urlquoted
# and this will replace %s by %25s
delurl += '&__delete=%s:require_permission:%%s' % entity.eid
dellinktempl = u'[<a href="%s" title="%s">-</a>] ' % (
xml_escape(delurl), _('delete this permission'))
else:
dellinktempl = None
w(u'<table class="schemaInfo">')
w(u'<tr><th>%s</th><th>%s</th></tr>' % (_("permission"),
_('granted to groups')))
for cwperm in entity.require_permission:
w(u'<tr>')
if dellinktempl:
w(u'<td>%s%s</td>' % (dellinktempl % cwperm.eid,
cwperm.view('oneline')))
else:
w(u'<td>%s</td>' % cwperm.view('oneline'))
w(u'<td>%s</td>' % self.view('csv', cwperm.related('require_group'), 'null'))
w(u'</tr>\n')
w(u'</table>')
else:
self.w(self._cw._('no associated permissions'))
def require_permission_edit_form(self, entity):
newperm = self._cw.vreg['etypes'].etype_class('CWPermission')(self._cw)
newperm.eid = self._cw.varmaker.next()
self.w(u'<p>%s</p>' % self._cw._('add a new permission'))
form = self._cw.vreg['forms'].select('base', self._cw, entity=newperm,
form_buttons=[wdgs.SubmitButton()],
domid='reqperm%s' % entity.eid,
__redirectvid='security',
__redirectpath=entity.rest_path())
form.add_hidden('require_permission', entity.eid, role='object',
eidparam=True)
permnames = getattr(entity, '__permissions__', None)
cwpermschema = newperm.e_schema
if permnames is not None:
field = guess_field(cwpermschema, self._cw.vreg.schema.rschema('name'),
widget=wdgs.Select({'size': 1}),
choices=permnames)
else:
field = guess_field(cwpermschema, self._cw.vreg.schema.rschema('name'))
form.append_field(field)
field = guess_field(cwpermschema, self._cw.vreg.schema.rschema('label'))
form.append_field(field)
field = guess_field(cwpermschema, self._cw.vreg.schema.rschema('require_group'))
form.append_field(field)
renderer = self._cw.vreg['formrenderers'].select(
'htable', self._cw, rset=None, display_progress_div=False)
self.w(form.render(renderer=renderer))
class ErrorView(AnyRsetView):
"""default view when no result has been found"""
__select__ = yes()
__regid__ = 'error'
def page_title(self):
"""returns a title according to the result set - used for the
title in the HTML header
"""
return self._cw._('an error occured')
def call(self):
req = self._cw.reset_headers()
w = self.w
ex = req.data.get('ex')#_("unable to find exception information"))
excinfo = req.data.get('excinfo')
title = self._cw._('an error occured')
w(u'<h2>%s</h2>' % title)
if 'errmsg' in req.data:
ex = req.data['errmsg']
exclass = None
else:
exclass = ex.__class__.__name__
ex = exc_message(ex, req.encoding)
if excinfo is not None and self._cw.vreg.config['print-traceback']:
if exclass is None:
w(u'<div class="tb">%s</div>'
% xml_escape(ex).replace("\n","<br />"))
else:
w(u'<div class="tb">%s: %s</div>'
% (exclass, xml_escape(ex).replace("\n","<br />")))
w(u'<hr />')
w(u'<div class="tb">%s</div>' % html_traceback(excinfo, ex, ''))
else:
w(u'<div class="tb">%s</div>' % (xml_escape(ex).replace("\n","<br />")))
# if excinfo is not None, it's probably not a bug
if excinfo is None:
return
vcconf = self._cw.vreg.config.vc_config()
w(u"<div>")
eversion = vcconf.get('cubicweb', self._cw._('no version information'))
# NOTE: tuple wrapping needed since eversion is itself a tuple
w(u"<b>CubicWeb version:</b> %s<br/>\n" % (eversion,))
cversions = []
for cube in self._cw.vreg.config.cubes():
cubeversion = vcconf.get(cube, self._cw._('no version information'))
w(u"<b>Package %s version:</b> %s<br/>\n" % (cube, cubeversion))
cversions.append((cube, cubeversion))
w(u"</div>")
# creates a bug submission link if submit-mail is set
if self._cw.vreg.config['submit-mail']:
form = self._cw.vreg['forms'].select('base', self._cw, rset=None,
mainform=False)
binfo = text_error_description(ex, excinfo, req, eversion, cversions)
form.add_hidden('description', binfo,
# we must use a text area to keep line breaks
widget=wdgs.TextArea({'class': 'hidden'}))
form.add_hidden('__bugreporting', '1')
form.form_buttons = [wdgs.SubmitButton(MAIL_SUBMIT_MSGID)]
form.action = req.build_url('reportbug')
w(form.render())
def exc_message(ex, encoding):
try:
return unicode(ex)
except:
try:
return unicode(str(ex), encoding, 'replace')
except:
return unicode(repr(ex), encoding, 'replace')
def text_error_description(ex, excinfo, req, eversion, cubes):
binfo = rest_traceback(excinfo, xml_escape(ex))
binfo += u'\n\n:URL: %s\n' % req.url()
if not '__bugreporting' in req.form:
binfo += u'\n:form params:\n'
binfo += u'\n'.join(u' * %s = %s' % (k, v) for k, v in req.form.iteritems())
binfo += u'\n\n:CubicWeb version: %s\n' % (eversion,)
for pkg, pkgversion in cubes:
binfo += u":Package %s version: %s\n" % (pkg, pkgversion)
binfo += '\n'
return binfo
class CwStats(View):
"""A textual stats output for monitoring tools such as munin """
__regid__ = 'processinfo'
content_type = 'text/txt'
templatable = False
__select__ = none_rset() & match_user_groups('users', 'managers')
def call(self):
stats = self._cw.vreg.config.repository(None).stats()
results = []
for element in stats:
results.append(u'%s %s' % (element, stats[element]))
self.w(u'\n'.join(results))