def index_html(self):
""" download the image """
# validate access
fieldname = getattr(self.data, 'fieldname', getattr(self, 'fieldname', None))
guarded_getattr(self.context, fieldname)
set_headers(self.data, self.request.response)
return stream_data(self.data)
def validate_access(self):
if IOrganisation.providedBy(self.context):
return True
fieldname = getattr(self.data, 'fieldname',
getattr(self, 'fieldname', None))
guarded_getattr(self.context, fieldname)
def validate_access(self):
if IOrganisation.providedBy(self.context):
return True
fieldname = getattr(self.data, 'fieldname',
getattr(self, 'fieldname', None))
guarded_getattr(self.context, fieldname)
def test_access_to_private_content_not_allowed_via_rich_text(self):
try:
from plone.app.textfield.value import RichTextValue
except ImportError:
return
from Products.PageTemplates.ZopePageTemplate import ZopePageTemplate
foobar = create_private_document(self.portal, 'foobar')
login(self.portal, TEST_USER_NAME)
foobar.text = RichTextValue(u'Secret.', 'text/plain', 'text/html')
self.assertEqual(
self.portal.portal_workflow.getInfoFor(foobar, 'review_state'),
'private')
# Check that guarded_getattr is happy for the current user.
self.assertEqual(guarded_getattr(self.portal, 'foobar'), foobar)
self.assertEqual(
guarded_getattr(self.portal.foobar, 'text'), foobar.text)
# Access to text.output may be more restricted than access to the
# text object itself, but this makes no sense, so we switch that
# off in this test.
# self.assertRaises(
# Unauthorized, guarded_getattr, self.portal.foobar.text, 'output')
self.portal.foobar.text.__allow_access_to_unprotected_subobjects__ = 1
self.assertEqual(
guarded_getattr(self.portal.foobar.text, 'output'),
'<p>Secret.</p>')
TEMPLATE = '<p tal:content="structure python:%s" />'
pt = ZopePageTemplate(
'mytemplate', TEMPLATE %
"'access {0.foobar.text.output}'.format(context)")
hack_pt(pt, context=self.portal)
self.assertEqual(pt.pt_render(), '<p>access <p>Secret.</p></p>')
# Check the same for anonymous.
logout()
self.assertRaises(
Unauthorized, guarded_getattr, self.portal, 'foobar')
self.assertRaises(
Unauthorized, guarded_getattr, self.portal.foobar, 'text')
# *If* somehow anonymous can access the text, then we have allowed
# access to the output as well.
self.assertEqual(
guarded_getattr(self.portal.foobar.text, 'output'),
'<p>Secret.</p>')
# But for the template anonymous would need access to everything,
# which rightly fails.
self.assertRaises(Unauthorized, pt.pt_render)
# Test the simpler access without str.format for the current user.
login(self.portal, TEST_USER_NAME)
pt = ZopePageTemplate(
'mytemplate', TEMPLATE %
"context.foobar.text.output")
hack_pt(pt, context=self.portal)
self.assertEqual(pt.pt_render(), '<p><p>Secret.</p></p>')
# and for anonymous
logout()
self.assertRaises(Unauthorized, pt.pt_render)
def test_access_to_private_content_not_allowed_via_rich_text(self):
try:
from plone.app.textfield.value import RichTextValue
except ImportError:
return
from Products.PageTemplates.ZopePageTemplate import ZopePageTemplate
foobar = create_private_document(self.portal, 'foobar')
login(self.portal, TEST_USER_NAME)
foobar.text = RichTextValue(u'Secret.', 'text/plain', 'text/html')
self.assertEqual(
self.portal.portal_workflow.getInfoFor(foobar, 'review_state'),
'private')
# Check that guarded_getattr is happy for the current user.
self.assertEqual(guarded_getattr(self.portal, 'foobar'), foobar)
self.assertEqual(
guarded_getattr(self.portal.foobar, 'text'), foobar.text)
# Access to text.output may be more restricted than access to the
# text object itself, but this makes no sense, so we switch that
# off in this test.
# self.assertRaises(
# Unauthorized, guarded_getattr, self.portal.foobar.text, 'output')
self.portal.foobar.text.__allow_access_to_unprotected_subobjects__ = 1
self.assertEqual(
guarded_getattr(self.portal.foobar.text, 'output'),
'<p>Secret.</p>')
TEMPLATE = '<p tal:content="structure python:%s" />'
pt = ZopePageTemplate(
'mytemplate', TEMPLATE %
"'access {0.foobar.text.output}'.format(context)")
hack_pt(pt, context=self.portal)
self.assertEqual(pt.pt_render(), '<p>access <p>Secret.</p></p>')
# Check the same for anonymous.
logout()
self.assertRaises(
Unauthorized, guarded_getattr, self.portal, 'foobar')
self.assertRaises(
Unauthorized, guarded_getattr, self.portal.foobar, 'text')
# *If* somehow anonymous can access the text, then we have allowed
# access to the output as well.
self.assertEqual(
guarded_getattr(self.portal.foobar.text, 'output'),
'<p>Secret.</p>')
# But for the template anonymous would need access to everything,
# which rightly fails.
self.assertRaises(Unauthorized, pt.pt_render)
# Test the simpler access without str.format for the current user.
login(self.portal, TEST_USER_NAME)
pt = ZopePageTemplate(
'mytemplate', TEMPLATE %
"context.foobar.text.output")
hack_pt(pt, context=self.portal)
self.assertEqual(pt.pt_render(), '<p><p>Secret.</p></p>')
# and for anonymous
logout()
self.assertRaises(Unauthorized, pt.pt_render)
def _construct(self, context, id):
"""Creates and returns the named folder."""
dispatcher = guarded_getattr(context, 'manage_addProduct')['OFSP']
factory = guarded_getattr(dispatcher, 'manage_addFolder')
factory(id)
o = context.restrictedTraverse(id)
# Commit a subtransaction to assign the new object to
# the correct database.
transaction.commit(1)
return o
def _construct(self, context, id):
"""Creates and returns the named folder."""
dispatcher = guarded_getattr(context, 'manage_addProduct')['OFSP']
factory = guarded_getattr(dispatcher, 'manage_addFolder')
factory(id)
o = context.restrictedTraverse(id)
# Commit a subtransaction to assign the new object to
# the correct database.
transaction.commit(1)
return o
def __getattr__(self, name, default=None):
# Make *extra* sure that the wrapper isn't used to access
# __call__, etc.
if name.startswith('__'):
self.__you_lose()
return guarded_getattr(self._wrapped, name, default)
def __getattr__(self, name, default=None):
# Make *extra* sure that the wrapper isn't used to access
# __call__, etc.
if name.startswith("__"):
self.__you_lose()
return guarded_getattr(self._wrapped, name, default)
def test_editWithoutModifyPortalContent(self):
edit = guarded_getattr(self.folder, 'edit')
original_permission_list = self.folder.permission_settings('Modify portal content')
assert len(original_permission_list) == 1
self.folder.manage_permission('Modify portal content', [], 0)
self.assertRaises(Unauthorized, guarded_getattr, self.folder, 'edit')
# Reset to original permissions
self.folder.manage_permission('Modify portal content', original_permission_list[0]['roles'], original_permission_list[0]['acquire'])
def test_editWithoutModifyPortalContent(self):
edit = guarded_getattr(self.folder, 'edit')
original_permission_list = self.folder.permission_settings('Modify portal content')
assert len(original_permission_list) == 1
self.folder.manage_permission('Modify portal content', [], 0)
self.assertRaises(Unauthorized, guarded_getattr, self.folder, 'edit')
# Reset to original permissions
self.folder.manage_permission('Modify portal content', original_permission_list[0]['roles'], original_permission_list[0]['acquire'])
def getUI(self, ui=None):
"""Returns a UI object.
"""
if not ui:
ui = self.default_ui
tool = aq_get(self, "composite_tool", None, 1)
if tool is None:
raise CompositeError("No composite_tool found")
return guarded_getattr(tool.uis, ui)
def test_values_validates(self):
sm = SecurityManager()
old = self.setSecurityManager(sm)
values = guarded_getattr({GuardTestCase: 1}, 'values')
try:
next(values())
finally:
self.setSecurityManager(old)
self.assertTrue(sm.calls)
def test_attr_handler_table(self):
d = {}
_dict = type(d)
old = ContainerAssertions.get(_dict)
mytable = {'keys': 1,
'values': Method,
}
ContainerAssertions[_dict] = mytable
try:
guarded_getattr(d, 'keys')
self.assertEqual(len(self.__sm.calls), 0)
values = guarded_getattr(d, 'values')
self.assertEqual(values.__class__, Method)
self.assertEqual(values.args, (d, 'values'))
self.assertRaises(Unauthorized, guarded_getattr, d, 'items')
finally:
ContainerAssertions[_dict] = old
def test_attr_handler_table(self):
d = {}
_dict = type(d)
old = ContainerAssertions.get(_dict)
mytable = {'keys': 1,
'values': Method,
}
ContainerAssertions[_dict] = mytable
try:
guarded_getattr(d, 'keys')
self.assertEqual(len(self.__sm.calls), 0)
values = guarded_getattr(d, 'values')
self.assertEqual(values.__class__, Method)
self.assertEqual(values.args, (d, 'values'))
self.assertRaises(Unauthorized, guarded_getattr, d, 'items')
finally:
ContainerAssertions[_dict] = old
def getUI(self, ui=None):
"""Returns a UI object.
"""
if not ui:
ui = self.default_ui
tool = aq_get(self, "composite_tool", None, 1)
if tool is None:
raise CompositeError("No composite_tool found")
return guarded_getattr(tool.uis, ui)
def test_editWithoutModifyPortalContent(self):
edit = guarded_getattr(self.folder, "edit")
original_permission_list = self.folder.permission_settings("Modify portal content")
assert len(original_permission_list) == 1
self.folder.manage_permission("Modify portal content", [], 0)
self.assertRaises(Unauthorized, guarded_getattr, self.folder, "edit")
# Reset to original permissions
self.folder.manage_permission(
"Modify portal content", original_permission_list[0]["roles"], original_permission_list[0]["acquire"]
)
def test_attr_handler_table(self):
from AccessControl import Unauthorized
from AccessControl.ZopeGuards import guarded_getattr
from AccessControl.SimpleObjectPolicies import ContainerAssertions
d = {}
_dict = type(d)
old = ContainerAssertions.get(_dict)
mytable = {"keys": 1, "values": Method}
ContainerAssertions[_dict] = mytable
try:
guarded_getattr(d, "keys")
self.assertEqual(len(self.__sm.calls), 0)
values = guarded_getattr(d, "values")
self.assertEqual(values.__class__, Method)
self.assertEqual(values.args, (d, "values"))
self.assertRaises(Unauthorized, guarded_getattr, d, "items")
finally:
ContainerAssertions[_dict] = old
def render(self, field, key, value, REQUEST, render_prefix=None):
"""
"""
form = getattr(field, 'aq_parent', None)
if form is not None:
obj = getattr(form, 'aq_parent', None)
else:
obj = None
if obj is not None:
report_method = guarded_getattr(obj, field['report_method'])
if callable(report_method):
return report_method()
def _getFile(self):
if not self.fieldname:
info = IPrimaryFieldInfo(self.context, None)
if info is None:
# Ensure that we have at least a fieldname
raise NotFound(self, '', self.request)
self.fieldname = info.fieldname
# respect field level security as defined in plone.autoform
# check if attribute access would be allowed!
guarded_getattr(self.context, self.fieldname, None)
file = info.value
else:
context = getattr(self.context, 'aq_explicit', self.context)
file = guarded_getattr(context, self.fieldname, None)
if file is None:
raise NotFound(self, self.fieldname, self.request)
return file
def test_attr_handler_table(self):
from AccessControl import Unauthorized
from AccessControl.ZopeGuards import guarded_getattr
from AccessControl.SimpleObjectPolicies import ContainerAssertions
d = {}
_dict = type(d)
old = ContainerAssertions.get(_dict)
mytable = {'keys': 1,
'values': Method,
}
ContainerAssertions[_dict] = mytable
try:
guarded_getattr(d, 'keys')
self.assertEqual(len(self.__sm.calls), 0)
values = guarded_getattr(d, 'values')
self.assertEqual(values.__class__, Method)
self.assertEqual(values.args, (d, 'values'))
self.assertRaises(Unauthorized, guarded_getattr, d, 'items')
finally:
ContainerAssertions[_dict] = old
def render(self, field, key, value, REQUEST, render_prefix=None):
"""
"""
form = getattr(field, 'aq_parent', None)
if form is not None:
obj = getattr(form, 'aq_parent', None)
else:
obj = None
if obj is not None:
report_method = guarded_getattr(obj, field['report_method'])
if callable(report_method):
return report_method()
def _testSetPasswordSecurity(self, login):
login.manage_permission(Permissions.SetOwnPassword, [], 0)
with self.assertRaises(Unauthorized):
guarded_getattr(login, 'setPassword')('secret')
with self.assertRaises(Unauthorized):
guarded_getattr(login, 'edit')(password='******')
# edit(password=None) has no effect. It's a special case, because in the user interface
# we show an empty field for password.
login.edit(password=None)
self.assertFalse(login.getPassword())
# Make sure that edit method cannot call __setPasswordByForce and nothing
# changes.
login.edit(password_by_force='waaa')
self.assertFalse(login.getPassword())
login.manage_permission(Permissions.SetOwnPassword, ['Anonymous'], 0)
login.setPassword('secret')
password = login.getPassword()
self.assertTrue(password)
login.edit(password=None)
self.assertEqual(login.getPassword(), password)
def getTemplateChangeInfo(self, paths):
"""Returns information for changing the template applied to objects.
"""
root = self.getPhysicalRoot()
tool = aq_parent(aq_inner(self))
obs = []
all_choices = None # {template -> 1}
current = None
for path in str(paths).split(':'):
ob = root.unrestrictedTraverse(path)
obs.append(ob)
if not ICompositeElement.providedBy(ob):
raise ValueError("Not a composite element: %s" % path)
m = guarded_getattr(ob, "queryInlineTemplate")
template = m()
if current is None:
current = template
elif current and current != template:
# The current template isn't the same for all of the elements,
# so there is no common current template. Spell this condition
# using a non-string value.
current = 0
m = guarded_getattr(ob, "listAllowableInlineTemplates")
templates = m()
d = {}
for name, template in templates:
d[name] = template
if all_choices is None:
all_choices = d
else:
for template in all_choices.keys():
if not d.has_key(template):
del all_choices[template]
return {
"obs": obs,
"templates": all_choices,
"current_template": current,
}
def __getattr__(self, name, default=None):
# Make *extra* sure that the wrapper isn't used to access
# __call__, etc.
if name.startswith('__'):
# Acquisition will nowadays try to do an getattr on all
# objects which aren't Acquisition wrappers, asking for a
# __parent__ pointer. We don't want to raise Unauthorized
# in this case but simply an AttributeError.
if name in ('__parent__', '__name__'):
raise AttributeError(name)
self.__you_lose()
return guarded_getattr(self._wrapped, name, default)
def test_01_checkAnonymousProcessing(self):
"""
Test whether a timer can be invoked by anonymous.
"""
noSecurityManager()
timer_service = self.app.Control_Panel.timer_service
process_timer = guarded_getattr(timer_service, 'process_timer')
try:
guarded_apply(process_timer, (0, ))
except Unauthorized:
self.fail('calling process_timer is unauthorized')
except:
# Do not care about any exception but unauthorized.
pass
def test_01_checkAnonymousProcessing(self):
"""
Test whether a timer can be invoked by anonymous.
"""
noSecurityManager()
timer_service = self.app.Control_Panel.timer_service
process_timer = guarded_getattr(timer_service, 'process_timer')
try:
guarded_apply(process_timer, (0,))
except Unauthorized:
self.fail('calling process_timer is unauthorized')
except:
# Do not care about any exception but unauthorized.
pass
def showSlot(self, path, RESPONSE):
"""Redirects to (and possibly creates) the workspace for a slot.
"""
from composite import Composite
obj = self.getPhysicalRoot()
parts = str(path).split('/')
for name in parts:
obj = obj.restrictedTraverse(name)
if IComposite.providedBy(obj):
gen = guarded_getattr(obj, "generateSlots")
gen()
RESPONSE.redirect("%s/%s" % (
obj.absolute_url(), self.workspace_view_name))
def __getattr__(self, name, default=None):
# Make *extra* sure that the wrapper isn't used to access
# __call__, etc.
if name.startswith('__'):
# Acquisition will nowadays try to do an getattr on all
# objects which aren't Acquisition wrappers, asking for a
# __parent__ pointer. We don't want to raise Unauthorized
# in this case but simply an AttributeError.
if name in ('__parent__', '__name__'):
raise AttributeError(name)
self.__you_lose()
return guarded_getattr(self._wrapped, name, default)
def get_field(self, field_name, args, kwargs):
"""Get the field value using guarded methods."""
first, rest = formatter_field_name_split(field_name)
obj = self.get_value(first, args, kwargs)
# loop through the rest of the field_name, doing
# getattr or getitem as needed
for is_attr, i in rest:
if is_attr:
obj = guarded_getattr(obj, i)
else:
obj = guarded_getitem(obj, i)
return obj, first
def _getNodeList(self, context):
"""Returns the list of possible nodes
"""
node_select_method_id = self.getProperty('node_select_method_id')
if node_select_method_id:
return guarded_getattr(context, node_select_method_id)()
# no script defined, used the explicitly selected values
node_list = self.getAggregateValueList()
portal_categories = self.getPortalObject().portal_categories
if self.getProperty('include_virtual_none_node'):
node_list.append(portal_categories.budget_special_node.none)
if self.getProperty('include_virtual_other_node'):
node_list.append(portal_categories.budget_special_node.all_other)
return node_list
def get_field(self, field_name, args, kwargs):
"""Get the field value using guarded methods."""
first, rest = formatter_field_name_split(field_name)
obj = self.get_value(first, args, kwargs)
# loop through the rest of the field_name, doing
# getattr or getitem as needed
for is_attr, i in rest:
if is_attr:
obj = guarded_getattr(obj, i)
else:
obj = guarded_getitem(obj, i)
return obj, first
def _getNodeList(self, context):
"""Returns the list of possible nodes
"""
node_select_method_id = self.getProperty('node_select_method_id')
if node_select_method_id:
return guarded_getattr(context, node_select_method_id)()
# no script defined, used the explicitly selected values
node_list = self.getAggregateValueList()
portal_categories = self.getPortalObject().portal_categories
if self.getProperty('include_virtual_none_node'):
node_list.append(portal_categories.budget_special_node.none)
if self.getProperty('include_virtual_other_node'):
node_list.append(portal_categories.budget_special_node.all_other)
return node_list
def test_simple_object_policies(self):
'''
Test that we are able to access attributes of simple types (here:
unicode and bytes)
'''
from AccessControl.ZopeGuards import guarded_getattr
orig_value = self.__sm.reject
self.__sm.reject = True
try:
items = [b'a ', u'a ']
for item in items:
self.assertEqual(guarded_getattr(item, 'strip')(),
item.strip())
finally:
self.__sm.reject = orig_value
self.assertEqual(len(self.__sm.calls), 0)
def changeTemplate(self, paths, template, reload=0, close=1, REQUEST=None):
"""Changes the template for objects.
"""
info = self.getTemplateChangeInfo(paths)
if template not in info["templates"]:
raise KeyError("Template %s is not among the choices" % template)
tool = aq_parent(aq_inner(self))
for ob in info["obs"]:
assert ICompositeElement.providedBy(ob)
m = guarded_getattr(ob, "setInlineTemplate")
m(template)
if REQUEST is not None:
if reload:
REQUEST["RESPONSE"].redirect(REQUEST["HTTP_REFERER"])
elif close:
return close_dialog_html
def _getFile(self):
if not self.fieldname:
info = IPrimaryFieldInfo(self.context, None)
if info is None:
# Ensure that we have at least a filedname
raise NotFound(self, '', self.request)
self.fieldname = info.fieldname
file = info.value
else:
context = getattr(self.context, 'aq_explicit', self.context)
file = guarded_getattr(context, self.fieldname, None)
if file is None:
raise NotFound(self, self.fieldname, self.request)
return file
def _getFile(self):
if not self.fieldname:
info = IPrimaryFieldInfo(self.context, None)
if info is None:
# Ensure that we have at least a filedname
raise NotFound(self, '', self.request)
self.fieldname = info.fieldname
file = info.value
else:
context = getattr(self.context, 'aq_explicit', self.context)
file = guarded_getattr(context, self.fieldname, None)
if file is None:
raise NotFound(self, self.fieldname, self.request)
return file
def showSlot(self, path, RESPONSE):
"""Redirects to (and possibly creates) the workspace for a slot.
"""
from composite import Composite
obj = self.getPhysicalRoot()
parts = path.split('/')
for name in parts:
obj = obj.restrictedTraverse(name)
try:
is_comp = isinstance(obj, Composite)
except TypeError:
is_comp = 0 # Python 2.1 bug
if is_comp:
gen = guarded_getattr(obj, "generateSlots")
gen()
RESPONSE.redirect(obj.absolute_url() + "/manage_workspace")
def get_field(self, field_name, args, kwargs):
"""
Here we're overridding so we can use guarded_getattr instead of
regular getattr
"""
first, rest = field_name._formatter_field_name_split()
obj = self.get_value(first, args, kwargs)
# loop through the rest of the field_name, doing
# getattr or getitem as needed
for is_attr, i in rest:
if is_attr:
obj = guarded_getattr(obj, i)
else:
obj = obj[i]
return obj, first
def processForm(self, form):
""" Process an XForms submission.
"""
submit = form.get('__submit__')
if not submit:
# return an empty string as the 'message', since we haven't actually
# processed anything
return (form, '', False)
model, submission = submit.split('+')
if not (model and submission):
return (form, 'No model and/or submission specified', True)
messages = []
# validate the form
content_container = getattr(self.aq_explicit, self.content_container)
for key in form.keys():
for obj in (content_container.get_filteredDataDefinition() +
content_container.security_management):
if (getattr(obj, 'indexName', '') == key or
getattr(obj, 'id', '') == key):
val, message = obj.validate(self, form.get(key))
if message:
messages.append(message)
else:
form[key] = val
if messages:
message = ''
for msg in messages:
message += '<p>%s</p>' % msg
return (form, message, True)
# look for a callback method for processing this form
if guarded_hasattr(self.aq_explicit, 'cb_'+str(model)):
process_cb = guarded_getattr(self.aq_explicit, 'cb_'+str(model))
# the form has been processed, we don't need to do anything else
form['__populate__'] = False
return process_cb(form)
return (form, 'No matching model found', True)
def processForm(self, form):
""" Process an XForms submission.
"""
submit = form.get('__submit__')
if not submit:
# return an empty string as the 'message', since we haven't actually
# processed anything
return (form, '', False)
model, submission = submit.split('+')
if not (model and submission):
return (form, 'No model and/or submission specified', True)
messages = []
# validate the form
content_container = getattr(self.aq_explicit, self.content_container)
for key in form.keys():
for obj in (content_container.get_filteredDataDefinition() +
content_container.security_management):
if (getattr(obj, 'indexName', '') == key
or getattr(obj, 'id', '') == key):
val, message = obj.validate(self, form.get(key))
if message:
messages.append(message)
else:
form[key] = val
if messages:
message = ''
for msg in messages:
message += '<p>%s</p>' % msg
return (form, message, True)
# look for a callback method for processing this form
if guarded_hasattr(self.aq_explicit, 'cb_' + str(model)):
process_cb = guarded_getattr(self.aq_explicit, 'cb_' + str(model))
# the form has been processed, we don't need to do anything else
form['__populate__'] = False
return process_cb(form)
return (form, 'No matching model found', True)
def design(self, transformer="common"):
"""Renders the composite with editing features.
"""
tool = aq_get(self, "composite_tool", None, 1)
if tool is None:
raise CompositeError("No composite_tool found")
# Never cache a design view.
req = getattr(self, "REQUEST", None)
if req is not None:
req["RESPONSE"].setHeader("Cache-Control", "no-cache")
self._v_editing = 1
try:
text = self()
finally:
self._v_editing = 0
tf = guarded_getattr(tool.transformers, transformer)
return tf.transform(self, text)
def guarded_next(iterator, default=_marker):
"""next(iterator[, default])
Return the next item from the iterator. If default is given
and the iterator is exhausted, it is returned instead of
raising StopIteration.
"""
try:
iternext = guarded_getattr(iterator, "next").__call__
# this way an AttributeError while executing next() isn't hidden
# (2.6 does this too)
except AttributeError:
raise TypeError("%s object is not an iterator" % type(iterator).__name__)
try:
return iternext()
except StopIteration:
if default is _marker:
raise
return default
def design(self, transformer="common"):
"""Renders the composite with editing features.
"""
tool = aq_get(self, "composite_tool", None, 1)
if tool is None:
raise CompositeError("No composite_tool found")
# Never cache a design view.
req = getattr(self, "REQUEST", None)
if req is not None:
req["RESPONSE"].setHeader("Cache-Control", "no-cache")
self._v_editing = 1
try:
text = self()
finally:
self._v_editing = 0
tf = guarded_getattr(tool.transformers, transformer)
return tf.transform(self, text)
def guarded_next(iterator, default=_marker):
"""next(iterator[, default])
Return the next item from the iterator. If default is given
and the iterator is exhausted, it is returned instead of
raising StopIteration.
"""
try:
iternext = guarded_getattr(iterator, 'next').__call__
# this way an AttributeError while executing next() isn't hidden
# (2.6 does this too)
except AttributeError:
raise TypeError("%s object is not an iterator" %
type(iterator).__name__)
try:
return iternext()
except StopIteration:
if default is _marker:
raise
return default
def _substituteTextContent(self, text, safe_substitute=True, **kw):
# If a method for string substitutions of the text content, perform it.
# Decode everything into unicode before the substitutions, in order to
# avoid encoding errors.
method_id = self.getTextContentSubstitutionMappingMethodId()
if method_id:
try:
method = guarded_getattr(self, method_id)
except AttributeError:
LOG(
'TextDocument', WARNING, 'could not get the substitution'
' mapping method %s from %r, so the content will not be'
' substituted.' % (method_id, self.getRelativeUrl()))
return text
mapping = method(**kw)
is_str = isinstance(text, str)
if is_str:
text = text.decode('utf-8')
class UnicodeMapping:
def __getitem__(self, item):
v = mapping[item]
if isinstance(v, str):
v = v.decode('utf-8')
elif not isinstance(v, unicode):
v = str(v).decode('utf-8')
return v
unicode_mapping = UnicodeMapping()
if safe_substitute:
text = Template(text).safe_substitute(unicode_mapping)
else:
text = Template(text).substitute(unicode_mapping)
# If the original was a str, convert it back to str.
if is_str:
text = text.encode('utf-8')
return text
def test_authenticatedContentType(self):
"""See https://dev.plone.org/archetypes/ticket/712
content_type should not be protected by a security declaration, as
it is usually an attribute. If a security declaration *is* set (in
BaseObject or one of it's base classes) non-anonymous access from
protected code (guarded_getattr) will fail.
"""
from AccessControl.unauthorized import Unauthorized
from AccessControl.Permissions import view
from AccessControl.ZopeGuards import guarded_getattr
dummy = self._dummy
dummy.manage_permission(view, ('Manager',), False)
# dummy.content_type in a Python Script
self.assertRaises(Unauthorized, guarded_getattr, dummy, 'content_type')
self.setRoles(('Manager',))
# dummy.content_type in a Python Script
self.assertEqual(guarded_getattr(dummy, 'content_type'), 'text/html')
def deleteElements(self, source_paths):
sources = []
for p in source_paths:
if hasattr(p, "split"):
p = p.split('/')
if p:
sources.append(p)
# Replace with nulls to avoid changing indexes while deleting.
orig_slots = {}
try:
for source in sources:
slot = self.restrictedTraverse(source[:-1])
assert ISlot.providedBy(slot), repr(slot)
slot_id = id(aq_base(slot))
if not orig_slots.has_key(slot_id):
orig_slots[slot_id] = slot
nullify = guarded_getattr(slot, "nullify") # Check security
nullify(source[-1])
finally:
# Clear the nulls just added.
for slot in orig_slots.values():
slot.pack()
def deleteElements(self, source_paths):
sources = []
for p in source_paths:
if hasattr(p, "split"):
p = p.split('/')
if p:
sources.append(p)
# Replace with nulls to avoid changing indexes while deleting.
orig_slots = {}
try:
for source in sources:
slot = self.restrictedTraverse(source[:-1])
assert ISlot.providedBy(slot), repr(slot)
slot_id = id(aq_base(slot))
if not orig_slots.has_key(slot_id):
orig_slots[slot_id] = slot
nullify = guarded_getattr(slot, "nullify") # Check security
nullify(source[-1])
finally:
# Clear the nulls just added.
for slot in orig_slots.values():
slot.pack()
def _substituteTextContent(self, text, safe_substitute=True, **kw):
# If a method for string substitutions of the text content, perform it.
# Decode everything into unicode before the substitutions, in order to
# avoid encoding errors.
method_id = self.getTextContentSubstitutionMappingMethodId()
if method_id:
try:
method = guarded_getattr(self, method_id)
except AttributeError:
LOG('TextDocument', WARNING, 'could not get the substitution'
' mapping method %s from %r, so the content will not be'
' substituted.' % (method_id, self.getRelativeUrl()))
return text
mapping = method(**kw)
is_str = isinstance(text, str)
if is_str:
text = text.decode('utf-8')
unicode_mapping = {}
for k, v in mapping.iteritems():
if isinstance(v, str):
v = v.decode('utf-8')
elif not isinstance(v, unicode):
v = str(v).decode('utf-8')
unicode_mapping[k] = v
if safe_substitute:
text = Template(text).safe_substitute(unicode_mapping)
else:
text = Template(text).substitute(unicode_mapping)
# If the original was a str, convert it back to str.
if is_str:
text = text.encode('utf-8')
return text
def unrestrictedTraverse(self, path, default=_marker, restricted=False):
"""Lookup an object by path.
path -- The path to the object. May be a sequence of strings or a slash
separated string. If the path begins with an empty path element
(i.e., an empty string or a slash) then the lookup is performed
from the application root. Otherwise, the lookup is relative to
self. Two dots (..) as a path element indicates an upward traversal
to the acquisition parent.
default -- If provided, this is the value returned if the path cannot
be traversed for any reason (i.e., no object exists at that path or
the object is inaccessible).
restricted -- If false (default) then no security checking is performed.
If true, then all of the objects along the path are validated with
the security machinery. Usually invoked using restrictedTraverse().
"""
if not path:
return self
if isinstance(path, str):
# Unicode paths are not allowed
path = path.split('/')
else:
path = list(path)
REQUEST = {'TraversalRequestNameStack': path}
path.reverse()
path_pop = path.pop
if len(path) > 1 and not path[0]:
# Remove trailing slash
path_pop(0)
if restricted:
validate = getSecurityManager().validate
if not path[-1]:
# If the path starts with an empty string, go to the root first.
path_pop()
obj = self.getPhysicalRoot()
if restricted:
validate(None, None, None, obj) # may raise Unauthorized
else:
obj = self
# import time ordering problem
from webdav.NullResource import NullResource
resource = _marker
try:
while path:
name = path_pop()
__traceback_info__ = path, name
if name[0] == '_':
# Never allowed in a URL.
raise NotFound, name
if name == '..':
next = aq_parent(obj)
if next is not None:
if restricted and not validate(obj, obj, name, next):
raise Unauthorized(name)
obj = next
continue
bobo_traverse = getattr(obj, '__bobo_traverse__', None)
try:
if name and name[:1] in '@+' and name != '+' and nsParse(name)[1]:
# Process URI segment parameters.
ns, nm = nsParse(name)
try:
next = namespaceLookup(
ns, nm, obj, aq_acquire(self, 'REQUEST'))
if IAcquirer.providedBy(next):
next = next.__of__(obj)
if restricted and not validate(
obj, obj, name, next):
raise Unauthorized(name)
except LocationError:
raise AttributeError(name)
else:
next = UseTraversalDefault # indicator
try:
if bobo_traverse is not None:
next = bobo_traverse(REQUEST, name)
if restricted:
if aq_base(next) is not next:
# The object is wrapped, so the acquisition
# context is the container.
container = aq_parent(aq_inner(next))
elif getattr(next, 'im_self', None) is not None:
# Bound method, the bound instance
# is the container
container = next.im_self
elif getattr(aq_base(obj), name, _marker) is next:
# Unwrapped direct attribute of the object so
# object is the container
container = obj
else:
# Can't determine container
container = None
# If next is a simple unwrapped property, its
# parentage is indeterminate, but it may have
# been acquired safely. In this case validate
# will raise an error, and we can explicitly
# check that our value was acquired safely.
try:
ok = validate(obj, container, name, next)
except Unauthorized:
ok = False
if not ok:
if (container is not None or
guarded_getattr(obj, name, _marker)
is not next):
raise Unauthorized(name)
except UseTraversalDefault:
# behave as if there had been no '__bobo_traverse__'
bobo_traverse = None
if next is UseTraversalDefault:
if getattr(aq_base(obj), name, _marker) is not _marker:
if restricted:
next = guarded_getattr(obj, name)
else:
next = getattr(obj, name)
else:
try:
next = obj[name]
# The item lookup may return a NullResource,
# if this is the case we save it and return it
# if all other lookups fail.
if isinstance(next, NullResource):
resource = next
raise KeyError(name)
except AttributeError:
# Raise NotFound for easier debugging
# instead of AttributeError: __getitem__
raise NotFound(name)
if restricted and not validate(
obj, obj, None, next):
raise Unauthorized(name)
except (AttributeError, NotFound, KeyError), e:
# Try to look for a view
next = queryMultiAdapter((obj, aq_acquire(self, 'REQUEST')),
Interface, name)
if next is not None:
if IAcquirer.providedBy(next):
next = next.__of__(obj)
if restricted and not validate(obj, obj, name, next):
raise Unauthorized(name)
elif bobo_traverse is not None:
# Attribute lookup should not be done after
# __bobo_traverse__:
raise e
else:
# No view, try acquired attributes
try:
if restricted:
next = guarded_getattr(obj, name, _marker)
else:
next = getattr(obj, name, _marker)
except AttributeError:
raise e
if next is _marker:
# If we have a NullResource from earlier use it.
next = resource
if next is _marker:
# Nothing found re-raise error
raise e
obj = next
return obj
def unrestrictedTraverse(self, path, default=_marker, restricted=False):
"""Lookup an object by path.
path -- The path to the object. May be a sequence of strings or a slash
separated string. If the path begins with an empty path element
(i.e., an empty string or a slash) then the lookup is performed
from the application root. Otherwise, the lookup is relative to
self. Two dots (..) as a path element indicates an upward traversal
to the acquisition parent.
default -- If provided, this is the value returned if the path cannot
be traversed for any reason (i.e., no object exists at that path or
the object is inaccessible).
restricted -- If false (default) then no security checking is performed.
If true, then all of the objects along the path are validated with
the security machinery. Usually invoked using restrictedTraverse().
"""
if not path:
return self
if isinstance(path, str):
# Unicode paths are not allowed
path = path.split('/')
else:
path = list(path)
REQUEST = {'TraversalRequestNameStack': path}
path.reverse()
path_pop = path.pop
if len(path) > 1 and not path[0]:
# Remove trailing slash
path_pop(0)
if restricted:
validate = getSecurityManager().validate
if not path[-1]:
# If the path starts with an empty string, go to the root first.
path_pop()
obj = self.getPhysicalRoot()
if restricted:
validate(None, None, None, obj) # may raise Unauthorized
else:
obj = self
# import time ordering problem
from webdav.NullResource import NullResource
resource = _marker
try:
while path:
name = path_pop()
__traceback_info__ = path, name
if name[0] == '_':
# Never allowed in a URL.
raise NotFound, name
if name == '..':
next = aq_parent(obj)
if next is not None:
if restricted and not validate(obj, obj, name, next):
raise Unauthorized(name)
obj = next
continue
bobo_traverse = getattr(obj, '__bobo_traverse__', None)
try:
if name and name[:1] in '@+' and name != '+' and nsParse(
name)[1]:
# Process URI segment parameters.
ns, nm = nsParse(name)
try:
next = namespaceLookup(ns, nm, obj,
aq_acquire(self, 'REQUEST'))
if IAcquirer.providedBy(next):
next = next.__of__(obj)
if restricted and not validate(
obj, obj, name, next):
raise Unauthorized(name)
except LocationError:
raise AttributeError(name)
else:
next = UseTraversalDefault # indicator
try:
if bobo_traverse is not None:
next = bobo_traverse(REQUEST, name)
if restricted:
if aq_base(next) is not next:
# The object is wrapped, so the acquisition
# context is the container.
container = aq_parent(aq_inner(next))
elif getattr(next, 'im_self',
None) is not None:
# Bound method, the bound instance
# is the container
container = next.im_self
elif getattr(aq_base(obj), name,
_marker) is next:
# Unwrapped direct attribute of the object so
# object is the container
container = obj
else:
# Can't determine container
container = None
# If next is a simple unwrapped property, its
# parentage is indeterminate, but it may have
# been acquired safely. In this case validate
# will raise an error, and we can explicitly
# check that our value was acquired safely.
try:
ok = validate(obj, container, name,
next)
except Unauthorized:
ok = False
if not ok:
if (container is not None
or guarded_getattr(
obj, name,
_marker) is not next):
raise Unauthorized(name)
except UseTraversalDefault:
# behave as if there had been no '__bobo_traverse__'
bobo_traverse = None
if next is UseTraversalDefault:
if getattr(aq_base(obj), name,
_marker) is not _marker:
if restricted:
next = guarded_getattr(obj, name)
else:
next = getattr(obj, name)
else:
try:
next = obj[name]
# The item lookup may return a NullResource,
# if this is the case we save it and return it
# if all other lookups fail.
if isinstance(next, NullResource):
resource = next
raise KeyError(name)
except (AttributeError, TypeError):
# Raise NotFound for easier debugging
# instead of AttributeError: __getitem__
# or TypeError: not subscriptable
raise NotFound(name)
if restricted and not validate(
obj, obj, None, next):
raise Unauthorized(name)
except (AttributeError, NotFound, KeyError), e:
# Try to look for a view
next = queryMultiAdapter(
(obj, aq_acquire(self, 'REQUEST')), Interface, name)
if next is not None:
if IAcquirer.providedBy(next):
next = next.__of__(obj)
if restricted and not validate(obj, obj, name, next):
raise Unauthorized(name)
elif bobo_traverse is not None:
# Attribute lookup should not be done after
# __bobo_traverse__:
raise e
else:
# No view, try acquired attributes
try:
if restricted:
next = guarded_getattr(obj, name, _marker)
else:
next = getattr(obj, name, _marker)
except AttributeError:
raise e
if next is _marker:
# If we have a NullResource from earlier use it.
next = resource
if next is _marker:
# Nothing found re-raise error
raise e
obj = next
return obj