Пример #1
0
    class ViewTemplateFromPageTemplate(PageTemplate, Acquisition.Explicit):
        """A way to make a TTW created template work as a z3 style view template.
        This opens a potential security hole and is just a preliminary
        proof-of-concept.  DO NOT USE!!!"""
        def __init__(self, template, context):
            self._text = template._text
            self.context = context
            if hasattr(template, 'id'):
                self.id = template.id
                if hasattr(template, 'title'):
                    self.title = template.title

        # A trivial _getContext method as we always know how we are wrapped
        def _getContext(self):
            return getattr(self, 'aq_parent', None)

        # Borrow from Five (the methods from PageTemplateFile are inherited from
        # PageTemplate directly)
        _cook = rebindFunction(PageTemplate._cook, getEngine=getEngine)
        pt_render = rebindFunction(PageTemplate.pt_render, getEngine=getEngine)
        _pt_getContext = ZopeTwoPageTemplateFile._pt_getContext.im_func
        pt_getContext = ZopeTwoPageTemplateFile.pt_getContext.im_func

        def getId(self):
            return self.id

        def __call__(self, *args, **kwargs):
            """Add the zope user to the security context, as done in
            PageTemplateFile"""
            if not kwargs.has_key('args'):
                kwargs['args'] = args
                bound_names = {'options': kwargs}
                security = AccessControl.getSecurityManager()
                bound_names['user'] = security.getUser()
                return self.pt_render(extra_context=bound_names)
Пример #2
0
def run():
    if not PLONE25:
        # we don't need to do this w/ Z2.10, which uses Z3 PT engine
        return
    
    log('Applying Five patches...')
    from Products.Five.browser.ReuseUtils import rebindFunction
    from Products.Five.browser.pagetemplatefile import ZopeTwoPageTemplateFile \
         as Z2PTF
    from Products.Five.browser.TrustedExpression import getEngine

    # CacheFu expects to find the original method on the class as
    # __CacheSetup_PageTemplate_<METHOD_NAME>
    orig_method = getattr(Z2PTF, 'pt_render')
    Z2PTF.__CacheSetup_PageTemplate_pt_render__ = orig_method

    new_pt_render = rebindFunction(patch_cmf.PT_pt_render, getEngine=getEngine)
    Z2PTF.pt_render = new_pt_render
Пример #3
0
class ZopeTwoPageTemplateFile(PageTemplateFile):
    """A strange hybrid between Zope 2 and Zope 3 page template.

    Uses Zope 2's engine, but with security disabled and with some
    initialization and API from Zope 3.
    """
    def __init__(self, filename, _prefix=None, content_type=None):
        # XXX doesn't use content_type yet

        self.ZBindings_edit(self._default_bindings)

        path = self.get_path_from_prefix(_prefix)
        self.filename = os.path.join(path, filename)
        if not os.path.isfile(self.filename):
            raise ValueError("No such file", self.filename)

        basepath, ext = os.path.splitext(self.filename)
        self.__name__ = os.path.basename(basepath)

        # required for the ajung-zpt-final-integration branch
        try:
            PageTemplateFile.__init__(self, self.filename, _prefix)
        except:
            pass

    def get_path_from_prefix(self, _prefix):
        if isinstance(_prefix, str):
            path = _prefix
        else:
            if _prefix is None:
                _prefix = sys._getframe(2).f_globals
            path = package_home(_prefix)
        return path

    _cook = rebindFunction(PageTemplateFile._cook, getEngine=getEngine)

    pt_render = rebindFunction(PageTemplateFile.pt_render, getEngine=getEngine)

    def pt_getContext(self):
        try:
            root = self.getPhysicalRoot()
        except AttributeError:
            root = self.context.getPhysicalRoot()
        # Even if the context isn't a view (when would that be exaclty?),
        # there shouldn't be any dange in applying a view, because it
        # won't be used.  However assuming that a lack of getPhysicalRoot
        # implies a missing view causes problems.
        view = self._getContext()

        here = self.context.aq_inner

        request = getattr(root, 'REQUEST', None)
        c = {
            'template': self,
            'here': here,
            'context': here,
            'container': here,
            'nothing': None,
            'options': {},
            'root': root,
            'request': request,
            'modules': ModuleImporter,
        }
        if view is not None:
            c['view'] = view
            c['views'] = ViewMapper(here, request)

        return c
            ob = traverse(ob, path, getSecurityManager())
        return ob


class PathExpr(PathExpr):
  __init__ = rebindFunction(PathExpr.__init__.im_func,
                            SubPathExpr=SubPathExpr,
                            )

class StringExpr(StringExpr):
  __init__ = rebindFunction(StringExpr.__init__.im_func,
                            PathExpr=PathExpr,
                            )


installHandlers = rebindFunction(installHandlers,
                                 PathExpr=PathExpr,
                                 StringExpr=StringExpr,
                                 PythonExpr=PythonExpr,
                                 )

def installHandlers2(engine):
    installHandlers(engine)
    engine.registerType('provider', ProviderExpr)

_engine=None
getEngine = rebindFunction(getEngine,
                           _engine=_engine,
                           installHandlers=installHandlers2
                           )
Пример #5
0
class ZopeTwoPageTemplateFile(PageTemplateFile):
    """A strange hybrid between Zope 2 and Zope 3 page template.

    Uses Zope 2's engine, but with security disabled and with some
    initialization and API from Zope 3.
    """
    def __init__(self, filename, _prefix=None, content_type=None):
        # XXX doesn't use content_type yet

        self.ZBindings_edit(self._default_bindings)

        path = self.get_path_from_prefix(_prefix)
        self.filename = os.path.join(path, filename)
        if not os.path.isfile(self.filename):
            raise ValueError("No such file", self.filename)

        basepath, ext = os.path.splitext(self.filename)
        self.__name__ = os.path.basename(basepath)

    def get_path_from_prefix(self, _prefix):
        if isinstance(_prefix, str):
            path = _prefix
        else:
            if _prefix is None:
                _prefix = sys._getframe(2).f_globals
            path = package_home(_prefix)
        return path

    _cook = rebindFunction(PageTemplateFile._cook, getEngine=getEngine)

    pt_render = rebindFunction(PageTemplateFile.pt_render, getEngine=getEngine)

    def _pt_getContext(self):
        view = self._getContext()
        try:
            root = self.getPhysicalRoot()
            here = view.context
        except AttributeError:
            # self has no attribute getPhysicalRoot.
            # This typically happens when the template has
            # no proper acquisition context. That means it has no view,
            # since that's the normal context for a template in Five. /regebro
            root = self.context.getPhysicalRoot()
            here = self.context
            view = None

        request = getattr(root, 'REQUEST', None)
        c = {
            'template': self,
            'here': here,
            'context': here,
            'container': self._getContainer(here),
            'nothing': None,
            'options': {},
            'root': root,
            'request': request,
            'modules': ModuleImporter,
        }
        if view:
            c['view'] = view
            c['views'] = ViewMapper(here, request)

        return c

    pt_getContext = rebindFunction(_pt_getContext,
                                   SecureModuleImporter=ModuleImporter)

    def _getContainer(self, obj=None):
        # Utility for bindcode.
        if obj is None:
            obj = self
        while 1:
            obj = obj.aq_inner.aq_parent
            if not getattr(obj, '_is_wrapperish', None):
                parent = getattr(obj, 'aq_parent', None)
                inner = getattr(obj, 'aq_inner', None)
                container = getattr(inner, 'aq_parent', None)
                try:
                    getSecurityManager().validate(parent, container, '', obj)
                except Unauthorized:
                    return UnauthorizedBinding('container', obj)
                return obj
Пример #6
0
class ZopeTwoPageTemplateFile(PageTemplateFile):
    """A strange hybrid between Zope 2 and Zope 3 page template.

    Uses Zope 2's engine, but with security disabled and with some
    initialization and API from Zope 3.
    """
        
    def __init__(self, filename, _prefix=None, content_type=None):
        # XXX doesn't use content_type yet
        
        self.ZBindings_edit(self._default_bindings)

        path = self.get_path_from_prefix(_prefix)
        self.filename = os.path.join(path, filename)
        if not os.path.isfile(self.filename):
            raise ValueError("No such file", self.filename)

        basepath, ext = os.path.splitext(self.filename)
        self.__name__ = os.path.basename(basepath)
 
    def get_path_from_prefix(self, _prefix):
        if isinstance(_prefix, str):
            path = _prefix
        else:
            if _prefix is None:
                _prefix = sys._getframe(2).f_globals
            path = package_home(_prefix)
        return path 

    _cook = rebindFunction(PageTemplateFile._cook,
                           getEngine=getEngine)
    
    pt_render = rebindFunction(PageTemplateFile.pt_render,
                               getEngine=getEngine)

    def _pt_getContext(self):
        try:
            root = self.getPhysicalRoot()
            view = self._getContext()
        except AttributeError:
            # self has no attribute getPhysicalRoot. This typically happens 
            # when the template has no proper acquisition context. 
            # That also means it has no view.  /regebro
            root = self.context.getPhysicalRoot()
            view = None

        here = self.context.aq_inner

        request = getattr(root, 'REQUEST', None)
        c = {'template': self,
             'here': here,
             'context': here,
             'container': here,
             'nothing': None,
             'options': {},
             'root': root,
             'request': request,
             'modules': ModuleImporter,
             }
        if view:
            c['view'] = view
            c['views'] = ViewMapper(here, request)

        return c

    pt_getContext = rebindFunction(_pt_getContext,
                                   SecureModuleImporter=ModuleImporter)